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CBSE · Class 9 · Understanding Society: India and Beyond – Part 2

Chapter 6: From Ideas to Startups

8 concepts · 64 practice questions with answers · Free to read

This lesson is also in: मराठी · हिंदी

Entrepreneurship and the entrepreneur

From daily life

At the school festival you run a lemonade stall: you decide how many lemons, how much sugar, how many glasses and what price. That is the core of running a business.

Simple definition

Entrepreneurship is the process in which an individual or a group turns a potential idea into a business venture; the person is an entrepreneur. An entrepreneur takes risks by investing money and time; combines the various factors of production; identifies a problem and solves it with an innovative solution; makes key decisions about running the business; and contributes to the welfare of society. Profit is the money earned in trade or business after paying the costs of producing and selling goods and services. In the Jataka tale a poor young man starts with a dead mouse and, by hard work and intelligence, becomes wealthy and uses his wealth to help the community too.

Takes risks (money, time)Combines factors of productionMakes key decisionsContributes to society's welfare

In the figure : Four tasks of an entrepreneur in four colours.

Rule 1: An entrepreneur sees an opportunity and acts

  • Easy : An entrepreneur sees an opportunity in a problem and offers an innovative solution.
  • Medium : Making drones for traffic surveillance or eco-friendly jute bags to replace plastic are examples from the book.
  • Exam-type : An entrepreneur is curious, works hard and is committed to creating value for society.

Rule 2: Profit = earnings from sales – costs

  • Easy : If money is left after paying the lemonade stall's costs, that is profit.
  • Medium : If costs exceed earnings, there is a loss.
  • Exam-type : The stall's report shows the expenses and profit and is submitted to the class teacher.
Remember

The young man in the Jataka tale gave the merchant half his fortune out of gratitude and also helped the city's communities.

Common mistake

Thinking entrepreneurship is only for big companies; even a small stall involves planning, organising and learning.

Shortcut

Memory clue: Entrepreneur = idea + risk + decisions + social good.

Spot the difference

IdeaMeaningExample
EntrepreneurshipTurning an idea into a businessLemonade stall
ProfitMoney left after costsStall's profit
Jataka taleOpportunity through effort and witFortune from a dead mouse

Practice questions

Easy
  1. 1What is entrepreneurship?
  2. 2Write any three tasks of an entrepreneur.
  3. 3What is profit?
Medium
  1. 4Which decisions are needed to run the lemonade stall?
  2. 5What can we learn from the Jataka tale?
  3. 6How does an entrepreneur contribute to society's welfare?
Challenging
  1. 7Which qualities do you think an entrepreneur needs?
  2. 8Why is entrepreneurship described as planning, organising and learning by doing?
Show answers (try them yourself first)
  1. 1The process of turning a potential idea into a business venture.
  2. 2Takes risks, combines factors of production, makes key decisions.
  3. 3Money earned in trade after paying the costs.
  4. 4How much lemon and sugar, where to get glasses, what price per glass, and whether there was profit or loss.
  5. 5Spotting opportunities and working smart, and using wealth for the community.
  6. 6By meeting people's needs and creating value with innovative goods and services.
  7. 7Curiosity, hard work, willingness to take risks and commitment to creating value for society.
  8. 8Because even a small stall needs a plan, organised work and learning from experience.

Inspiring stories: Lijjat Papad and Mohan Singh Oberoi

From daily life

₹80 and a rooftop, and a hotel desk clerk who went on to found a world-famous hotel group: two stories of small beginnings and big dreams.

Simple definition

Lijjat Papad: in 1959 seven homemakers from a Mumbai chawl began making papads on a rooftop with ₹80. As a cooperative society every member is an equal owner and profits are shared equally. It registered in 1962 as Shri Mahila Griha Udyog Lijjat Papad (lijjat = tasty). By 2023 it had over 45,000 women members, 83 branches and an annual turnover of ₹1,600 crore, plus scholarships for members' children. Mohan Singh Oberoi: born in Punjab in 1898; worked as a hotel desk clerk in Shimla (₹50 a month); in 1934 he mortgaged his wife's jewellery and invested all his savings to buy a small hotel; later built a large hotel chain and a hotel management school; Padma Bhushan in 2001; died in 2002.

Lijjat: 1959, seven women, ₹801962: registered as a cooperative societyOberoi: 1934, jewellery mortgaged, hotel2001: Padma Bhushan

In the figure : Four milestones from the two stories.

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Inspiring stories: Lijjat Papad and Mohan Singh Oberoi

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Rule 1: Lijjat = equal ownership + equal profit + quality

  • Easy : Every member is an equal owner and profits are shared equally.
  • Medium : From the start the condition was that quality must be consistent.
  • Exam-type : Lijjat made thousands of women financially independent and gave scholarships to members' children.

Rule 2: Oberoi = learning + boldness + management

  • Easy : He learned every aspect of hotel operations: guest service, billing, administration.
  • Medium : In 1934 he took a risk by mortgaging his wife's jewellery.
  • Exam-type : He hired skilled staff, managed finances, ran the hotels efficiently and kept customer satisfaction first.
Remember

Both stories show that a big enterprise can begin small and with few resources; grit, unity and hard work matter.

Common mistake

Thinking Oberoi's success came only from a good idea; planning, teamwork, decisions and managing different areas also mattered.

Shortcut

Memory clue: Lijjat = 1959 + ₹80 + seven women; Oberoi = 1934 + jewellery + hotel.

Spot the difference

EntrepreneurBeginningResult
Lijjat Papad1959, rooftop, ₹80₹1,600 crore turnover by 2023
Mohan Singh Oberoi1934, a small hotelThe Oberoi Group
Honour2001Padma Bhushan

Practice questions

Easy
  1. 1Who started Lijjat Papad and when?
  2. 2How are profits shared in Lijjat?
  3. 3What does the word 'lijjat' mean?
Medium
  1. 4State Lijjat's progress by 2023.
  2. 5What bold decision did Mohan Singh Oberoi take in 1934?
  3. 6Which honour did Oberoi receive?
Challenging
  1. 7What problem did Lijjat solve beyond selling papads?
  2. 8How did Oberoi's success depend on different areas of work?
Show answers (try them yourself first)
  1. 1Seven homemakers from a Mumbai chawl, in 1959.
  2. 2Since all members are equal owners, profits are shared equally.
  3. 3'Tasty' in Gujarati.
  4. 4Over 45,000 women members, 83 branches and a ₹1,600 crore annual turnover.
  5. 5He mortgaged his wife's jewellery and invested all his savings to buy a small hotel.
  6. 6The Padma Bhushan from the Government of India in 2001.
  7. 7It made thousands of women financially independent and empowered communities.
  8. 8Staff training, financial management, efficient upkeep, the brand and customer satisfaction all worked together.

Business plan: a road map

From daily life

To open a bakery with friends you must first decide what to sell, to whom, where and with how much money. The paper where all this is written is the business plan.

Simple definition

A business plan is a written document, a blueprint explaining the goals of the business and the steps to achieve them; it guides the entrepreneur from the idea stage to starting and running the business and helps in decision making. It covers eight aspects: (1) needs and idea, (2) potential customers, (3) money and costs, (4) location, (5) human resources, (6) pricing and profits, (7) promotion or marketing, (8) challenges and risks. For a bakery: fresh bread or healthier options? For whom? Costs of equipment, rent and ingredients; a busy area or online selling; bakers and helpers; prices that cover costs yet stay affordable; social media, posters, offers; competition, rising raw-material costs, changing preferences.

1–2: Need, customers3–4: Money, location5–6: People, pricing7–8: Promotion, risks

In the figure : Eight aspects in four pairs.

Rule 1: A plan = goals + steps

  • Easy : A plan is written and states the goals of the business.
  • Medium : It helps set priorities, stay organised and grow systematically.
  • Exam-type : A business plan must change when circumstances change; it is a dynamic road map.

Rule 2: One question for each aspect

  • Easy : Location: a shop near schools and markets, or online sales?
  • Medium : Pricing: covering costs with profit yet affordable, e.g. cheaper mini cake jars.
  • Exam-type : Risks include high competition, rising raw-material costs, changing customer preferences and volatile cash flows.
Remember

Challenges and risks are inevitable in every business; the plan makes us think about them in advance.

Common mistake

Thinking a plan is finished once written; it must be reviewed and changed from time to time.

Shortcut

Memory clue: Need, customers, money, location, people, price, promotion, risks = 8.

Spot the difference

AspectQuestion to askBakery example
Needs and ideaWhat do people want?Fresh bread or healthier options
LocationWhere to make and sell?Near schools and markets or online
RisksWhat could cause loss?Competition, raw-material costs

Practice questions

Easy
  1. 1What is a business plan?
  2. 2Write the eight aspects of a business plan.
  3. 3Which costs are considered under 'money and costs'?
Medium
  1. 4What location options exist for a bakery?
  2. 5Give examples of challenges and risks in a business.
  3. 6What balance should be kept when fixing prices?
Challenging
  1. 7Which ways can a bakery use for promotion?
  2. 8Explain: 'A business plan is a dynamic road map.'
Show answers (try them yourself first)
  1. 1A written blueprint explaining the goals of a business and the steps to achieve them.
  2. 2Needs and idea, customers, money and costs, location, human resources, pricing and profits, promotion, challenges and risks.
  3. 3Equipment, rent, staff salaries, ingredients and packaging.
  4. 4A busy area near schools, colleges or markets, or online sales and mobile-app orders.
  5. 5High competition, rising raw-material costs, changing customer preferences, volatile cash flows.
  6. 6Between covering costs with profit and staying affordable for customers.
  7. 7Social media, posters and special offers, plus appealing packaging with a good shelf-life.
  8. 8It is reviewed and changed when conditions, costs or customer preferences change; it is not fixed once written.

Four functional areas, and management and operations

From daily life

In a bakery one person must manage flour, another salaries, a third advertising, and a fourth must bake fresh goods on time. Each area has its own job.

Simple definition

A business has four functional areas: (1) management and operations, (2) finance and accounting, (3) human resources, (4) marketing and sales. They improve decision making, ensure resources are used properly and give coordination. Management means planning, organising and guiding the use of resources to achieve goals; operations means producing and delivering goods or services efficiently and on time (equipment, ingredients, quality, daily production). A fixed cost stays constant whatever the output (rent, insurance); a variable cost changes in proportion to output (raw materials, packaging). Inventory is the goods, raw materials and assets a business holds for manufacturing, production or resale.

1: Management and operations2: Finance and accounting3: Human resources4: Marketing and sales

In the figure : Four functional areas in four colours.

Live figure

Four functional areas, and management and operations

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Rule 1: The main focus of each area

  • Easy : Management and operations: efficient processes and smooth operations.
  • Medium : Human resources: right people and skills; marketing: customer awareness and business growth.
  • Exam-type : Finance and accounting: financial health and smart budgeting.

Rule 2: Fixed cost stays, variable cost changes

  • Easy : Shop rent is the same every month; it is a fixed cost.
  • Medium : Baking more cakes needs more flour and sugar; that is a variable cost.
  • Exam-type : Inventory means the goods, materials and assets held for production or resale.
Remember

All four areas work together; if one is weak, even a great idea can stumble.

Common mistake

Thinking management and operations are identical; management plans and guides, operations does the actual producing and delivering.

Shortcut

Memory clue: M-F-H-M = Management, Finance, HR, Marketing.

Spot the difference

AreaKey focusExamples
Management and operationsEfficient processesProduction, quality, supply chain
Finance and accountingFinancial healthBudgeting, reporting, cash flow
Human resourcesRight peopleHiring, employee benefits, conflict resolution

Practice questions

Easy
  1. 1Name the four functional areas of a business.
  2. 2What is management?
  3. 3What does operations focus on?
Medium
  1. 4What is a fixed cost? Give examples.
  2. 5What is a variable cost? Give examples.
  3. 6What is inventory?
Challenging
  1. 7How do functional areas help a business?
  2. 8Why can a business with a great idea fail if one functional area is weak?
Show answers (try them yourself first)
  1. 1Management and operations, finance and accounting, human resources, marketing and sales.
  2. 2Planning, organising and guiding the use of resources to achieve goals.
  3. 3Producing and delivering goods or services efficiently and on time.
  4. 4Expenses that stay constant regardless of output or sales, e.g. rent, insurance.
  5. 5Expenses that change in direct proportion to output, e.g. raw materials, packaging.
  6. 6The goods, materials and assets a business holds for production or resale.
  7. 7They improve decisions, use resources properly, give coordination and help growth.
  8. 8Because the four areas depend on each other; e.g. poor finance can sink a business even with good products.

Finance and accounting: the profit and loss account

From daily life

ABC Bakery earns ₹2,95,000 a month but spends heavily too; only the profit and loss account tells the real profit.

Simple definition

Finance is the management of money in a business: planning, obtaining and using funds. Accounting is recording, organising and reporting financial transactions; it tracks the money coming in (revenue) and going out (expenses) and keeps records correct. The profit and loss account shows whether a business made a profit or a loss over a period. Formula: Profit = Total revenue – Total expenses. ABC Bakery (fictional), March 2026: income ₹2,95,000 (bread and buns ₹1,20,000; pastries and cookies ₹75,000; cake orders ₹85,000; delivery ₹15,000); expenses ₹2,22,000; profit before tax (PBT) ₹73,000; tax ₹13,000; profit after tax (PAT) ₹60,000.

Revenue: money coming inExpenses: money going outProfit = revenue – expensesPAT after tax

In the figure : Four parts of the profit and loss account.

Live figure

Finance and accounting: the profit and loss account

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Rule 1: Profit = total revenue – total expenses

  • Easy : ₹2,95,000 – ₹2,22,000 = ₹73,000 (profit before tax).
  • Medium : ₹73,000 – ₹13,000 tax = ₹60,000 profit after tax (PAT).
  • Exam-type : If expenses exceed revenue there is a loss.

Rule 2: Add up revenue and expenses

  • Easy : Revenue: 1,20,000 + 75,000 + 85,000 + 15,000 = 2,95,000.
  • Medium : Expenses include raw materials ₹1,00,000, rent ₹40,000, salaries ₹30,000 and so on.
  • Exam-type : Loan interest ₹10,000 and advertising ₹8,000 are also expenses.
Remember

Accurate accounts help an entrepreneur follow tax laws and make informed spending and investment decisions.

Common mistake

Thinking revenue is the same as profit; profit is what remains after expenses.

Shortcut

Memory clue: Revenue – expenses = profit (PBT); PBT – tax = PAT.

Spot the difference

LineAmount (₹)Meaning
Total income2,95,000Sales and delivery charges
Total expenses2,22,000Raw materials, rent, salaries etc.
Profit after tax (PAT)60,00073,000 minus 13,000 tax

Practice questions

Easy
  1. 1What is finance in a business?
  2. 2What is accounting?
  3. 3State the importance of the profit and loss account.
Medium
  1. 4Write the formula for profit.
  2. 5What is ABC Bakery's profit before tax?
  3. 6What is ABC Bakery's profit after tax?
Challenging
  1. 7What is revenue? What do expenses include?
  2. 8Why should every entrepreneur understand basic accounting?
Show answers (try them yourself first)
  1. 1Managing money in a business: planning, obtaining and using funds.
  2. 2Recording, organising and reporting financial transactions.
  3. 3It shows whether a profit or loss was made over a period and helps spending and investment decisions.
  4. 4Profit = total revenue – total expenses.
  5. 5₹73,000.
  6. 6₹60,000.
  7. 7The total money earned from main operations or sales; expenses include salaries, electricity, raw materials, loan interest and taxes.
  8. 8Because it shows how the business is doing and helps comply with tax laws.

Human resources, and marketing and sales

From daily life

A bakery needs skilled people to bake great cakes and promotion to bring them to customers. The first is the job of human resources; the second, of marketing.

Simple definition

Human resources are the individuals employed by the entrepreneur who contribute to the business. In a bakery, hiring bakers, helpers, cleaners and a cashier; training staff in hygiene and baking standards; and ensuring a comfortable, motivating workplace are HR tasks. Marketing and sales attract customers and convince them to buy: choosing a catchy name, promoting on social media, offering discounts. Simple strategies: unique or seasonal items (e.g. a mango-flavoured cake), discounts and special offers, easy online ordering and delivery, sharing photos and videos on social media, and eco-friendly practices such as recyclable packaging.

HR: hiring and trainingHR: a motivating workplaceMarketing: promotion and offersSales: online orders, delivery

In the figure : Four tasks of HR and marketing.

Rule 1: HR = right people + training

  • Easy : A bakery needs bakers, helpers, cleaners and a cashier.
  • Medium : Staff must be trained in hygiene and baking standards.
  • Exam-type : A strong team fosters business growth.

Rule 2: Marketing = awareness + a reason to buy

  • Easy : A catchy name and social media photos catch people's attention.
  • Medium : Seasonal items like a mango cake, and discounts, attract customers.
  • Exam-type : Eco-friendly practices like recyclable packaging can be part of marketing.
Remember

People are the heart of every business; both the right people and the right promotion are needed.

Common mistake

Thinking marketing is only advertising; it covers everything from the name to offers and service.

Shortcut

Memory clue: HR = people; Marketing = customers.

Spot the difference

DepartmentJobBakery example
Human resourcesHire and train peopleBakers, helpers, cashier
MarketingAttract customersCatchy name, discounts
SalesConvince them to buyOnline ordering, delivery

Practice questions

Easy
  1. 1What are human resources?
  2. 2Which are the HR tasks in a bakery?
  3. 3What does the marketing and sales team do?
Medium
  1. 4State two marketing strategies for a bakery.
  2. 5Give an example of a seasonal item.
  3. 6How can eco-friendly practices help in marketing?
Challenging
  1. 7Why should bakery staff be trained?
  2. 8Which functional area would you prioritise first in a bakery, and why?
Show answers (try them yourself first)
  1. 1The individuals employed by the entrepreneur who contribute to the business.
  2. 2Hiring bakers, helpers, cleaners and a cashier, training them and keeping a motivating workplace.
  3. 3It attracts customers and convinces them to buy.
  4. 4Sharing photos and videos on social media, and offering discounts or special offers.
  5. 5A mango-flavoured cake.
  6. 6Promoting practices like recyclable packaging builds appeal and trust among customers.
  7. 7So hygiene and baking standards are kept and a strong team is built.
  8. 8Personal answer, e.g. operations first, since customers and sales come only if fresh, good-quality goods are made.

Traditional entrepreneurial communities, startups and contribution to society

From daily life

From the Chettiar traders to today's Bengaluru startups, India's entrepreneurial tradition is centuries old, and the next generation may be sitting in your classroom.

Simple definition

The Chettiar (Nattukottai Chettiar) community of Tamil Nadu is a traditional entrepreneurial community: traders, bankers and moneylenders operating across India, Sri Lanka, Burma (Myanmar), Malaysia and Southeast Asia; known for strong business ethics, trust-based lending, excellent accounting, and reinvesting profits into temples, education and community welfare; they traded in salt, rice, textiles and finance. A startup is a young, early-stage company founded by entrepreneurs offering an innovative product or service; failure is possible, but honest effort that fails still teaches. India is the third-largest startup ecosystem in the world with around 120 unicorns (startups valued over 1 billion dollars) in 2025, in fields such as e-commerce, fin-tech, health-tech and agri-tech, with hubs at Bengaluru, Hyderabad, Mumbai and Delhi NCR. Government scheme: Startup India, supporting Atmanirbhar Bharat; the vision is Viksit Bharat 2047. Businesses contribute by improving quality of life, creating jobs and income, paying taxes, producing goods and services, innovating and corporate social responsibility (CSR).

Chettiars: traders and bankersStartup: a new companyIndia: 3rd-largest ecosystemVision: Viksit Bharat 2047

In the figure : Four points from tradition to future.

Rule 1: Chettiar = trust + accounting + reinvestment

  • Easy : Chettiars are from Tamil Nadu and were traders and bankers.
  • Medium : They also did business in Sri Lanka, Myanmar and Malaysia.
  • Exam-type : They reinvested profits into temples, education and community welfare.

Rule 2: Startup = new idea + risk + learning

  • Easy : A startup is a new early-stage company.
  • Medium : A startup valued above 1 billion dollars is a unicorn.
  • Exam-type : Failure after honest effort is nothing wrong; lessons from it build better businesses.
Remember

Entrepreneurship creates jobs, drives innovation, empowers communities and contributes to the Viksit Bharat 2047 vision.

Common mistake

Thinking all startups succeed; some grow fast, others struggle or shut down.

Shortcut

Memory clue: India = 3rd; unicorns ≈ 120 (2025); goal = 2047.

Spot the difference

PointDetailExample
ChettiarsTraditional entrepreneurial communityTamil Nadu, trade in Southeast Asia
UnicornValued over 1 billion dollarsAbout 120 in 2025
Startup IndiaGovernment schemeSupports Atmanirbhar Bharat

Practice questions

Easy
  1. 1What business did the Chettiar community do?
  2. 2What were the Chettiars known for?
  3. 3What is a startup?
Medium
  1. 4What is a unicorn?
  2. 5What is India's rank in the startup ecosystem?
  3. 6How do businesses contribute to society and the economy?
Challenging
  1. 7How should an entrepreneur view failure?
  2. 8Why is entrepreneurship important for Viksit Bharat 2047?
Show answers (try them yourself first)
  1. 1Traders, bankers and moneylenders; trade in salt, rice, textiles and finance.
  2. 2Strong business ethics, trust-based lending, excellent accounting and reinvestment of profits.
  3. 3A young, early-stage company founded by entrepreneurs offering an innovative product or service.
  4. 4A startup valued at over 1 billion dollars.
  5. 5Third.
  6. 6By improving quality of life, creating jobs, paying taxes, producing goods and services, innovating and through CSR.
  7. 7Failure after honest effort is nothing wrong; it offers lessons to learn.
  8. 8It creates jobs, drives innovation, empowers communities and builds a self-reliant nation.

Overall review: from ideas to startups

From daily life

In 1931 the Dandekar brothers started by selling ink powder in Mumbai, went to Glasgow to study colour chemistry and made colours for Indian artists.

Simple definition

The summary: entrepreneurship is spotting opportunities, taking risks and creating value for society. A business plan is a road map of goals and steps. The four functional areas, management and operations, finance and accounting, human resources, and marketing and sales, work together. Understanding revenue, expenses, profit and cash flow helps track performance. Challenges, risks and failures offer lessons. Startups and entrepreneurs drive innovation, jobs and the Viksit Bharat 2047 vision. The Dandekar brothers showed perseverance, an eye for opportunity, the risk of travelling to Glasgow and quality improvement through a laboratory.

Entrepreneurship: opportunity + riskBusiness plan: 8 aspects4 functional areas and profit formulaStartups and Viksit Bharat 2047

In the figure : Four colours for four parts of the chapter.

Live figure

Overall review: from ideas to startups

In the app you can move this figure with your finger.

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Rule 1: Learn the chapter's formulas and numbers

  • Easy : Profit = revenue – expenses; Lijjat 1959, ₹80.
  • Medium : Oberoi 1934, Padma Bhushan 2001; ABC Bakery PAT ₹60,000.
  • Exam-type : India is the third-largest startup ecosystem; about 120 unicorns (2025).

Rule 2: Link each idea to one example

  • Easy : Cooperative enterprise = Lijjat; hotel enterprise = Oberoi.
  • Medium : Fixed cost = rent; variable cost = raw materials.
  • Exam-type : Show an entrepreneur's tasks: risk, combining factors, solutions, decisions, social welfare.
Remember

Innovation alone is not enough; planning, sound management, people and perseverance are needed.

Common mistake

Thinking a good idea alone is enough for a business.

Shortcut

Memory clue: Idea → Plan → Four areas → Profit → Growth → Society.

Spot the difference

IdeaIn one lineExample
EntrepreneurshipIdea to businessLemonade stall
ProfitRevenue – expensesABC Bakery ₹73,000 (before tax)
StartupA new companyStartup India

Practice questions

Easy
  1. 1What business did the Dandekar brothers start, and when?
  2. 2What opportunity did the Dandekar brothers spot in the market?
  3. 3Why was travelling to Glasgow a risk?
Medium
  1. 4Which functional area helped improve the products?
  2. 5How did they serve society apart from earning profits?
  3. 6State at least three aspects of a business plan.
Challenging
  1. 7Explain: 'Innovation alone is not enough for success.'
  2. 8Suggest a business idea for a problem in your neighbourhood.
Show answers (try them yourself first)
  1. 1Selling ink powder in South Mumbai in 1931.
  2. 2Artists in India did not have access to good art materials.
  3. 3Because it needed money, time and foreign study with no guarantee of success.
  4. 4Setting up a laboratory to develop colours, i.e. operations and development.
  5. 5By providing good, affordable stationery and art supplies suited to Indian needs.
  6. 6Needs and idea, customers, money and costs, location, human resources, pricing, promotion, risks (any three).
  7. 7Because even a great idea fails if planning, finance, people or marketing are weak.
  8. 8Personal answer, e.g. a bottle-washing service at school; note who faces the problem, how often and whether people would pay.