By Neeraj Bansal
In 2010, two brothers from Bengaluru looked at India's stock market and saw something that made no sense.
Millions of Indians wanted to invest. Millions of Indians had the money to invest. But the brokers standing between them and the market were charging fees so high that the average person could not participate meaningfully.
Investing in India was not a right. It was a privilege.
Nithin Kamath and Nikhil Kamath decided to change that.
What followed is one of the most extraordinary stories in Indian business history. Not because of how much money they made. But because of how they made it, who they built it for, and what they refused to do along the way.
Two Brothers. Two Very Different Paths. One Mission.
Nithin Kamath, the elder brother, was born in 1979 in Shimoga, Karnataka.
He was the conventional one, in the best possible sense. He pursued an engineering degree, got interested in stock markets through friends in college, and became obsessed with trading. Not as a hobby. As a discipline. He studied markets with the intensity of someone who believed that understanding them was the most important thing he could do.
Nikhil Kamath, the younger brother, was born in 1986.
He was the unconventional one. He dropped out of school after 10th grade, a decision that would have seemed reckless to almost every family in India at the time. His father was a bank employee. Education was not optional in households like his. It was the only path to stability that anyone could see.
Nikhil could not see the same path.
At 14 he was selling mobile phones. At 17 he was working night shifts at a call centre, faking his birth certificate to get the job because he was too young to be legally hired, earning 8,000 rupees a month.
From 4pm to 1am he worked the phones. In the mornings, when everyone else was sleeping, he studied trading.
Not because someone told him to. Because he was hungry. Because he had decided, at an age when most people are figuring out what subjects to study, that he was going to understand how money actually worked.
That hunger would define everything he did next.
Nithin Kamath, The Short Version
For anyone landing here from a search, the fast answer first.
Nithin Kamath is the co-founder and CEO of Zerodha, India's largest retail stockbroker by active clients. He was born in 1979 in Shimoga, Karnataka, grew up in Bengaluru, and started trading while he was still in college. He founded Zerodha in 2010 with his younger brother Nikhil, using their own savings and no outside investors. He is married to Seema Patil, who leads quality at Zerodha. In January 2024 he had a mild stroke at 44 and spoke about it publicly while he recovered.
That is the summary. The interesting part is everything that happened before 2010, because almost none of it looked like the beginning of a multi billion dollar company.
Nithin Kamath When He Was Young
Ask most people about Nithin Kamath and they picture the founder version. Calm, measured, writing long honest posts about markets and health.
The young version was nothing like that.
He was 17 when he opened his first trading account. A friend introduced him to the market and he was hooked immediately, in the way teenagers get hooked on things they are not supposed to be good at yet. He was studying engineering in Bengaluru and spending far more attention on price charts than on coursework.
He made money early. That is the dangerous part.
Early wins in the market teach a young trader exactly the wrong lesson, which is that they have figured something out. Nithin has been open for years about what came next. He lost money. Not once. Repeatedly. He has described blowing up his account and having to start again, including losing money he was managing for someone else. The market took the confidence back with interest.
By his early twenties he needed income that did not depend on being right about the next trade. So he took a night job at a call centre, working the phones for a shift that ran into the early hours, then trading through the Indian market day. Sleep was whatever was left over.
This is the detail people miss when they read about Zerodha. Both brothers worked call centre shifts. Nikhil did it at 17 with a faked date of birth. Nithin did it as an engineering graduate who could have taken a normal job and did not, because a normal job would not have left him free during market hours.
Ten years passed like that. Trading, losing, learning, grinding. In 2006 he became a sub-broker with Reliance Money, which finally put him on the other side of the desk and showed him the brokerage business from the inside.
That is where the idea came from. Not from a strategy deck. From ten years of being the customer who kept getting charged.
Nithin Kamath at 20 was not a prodigy. He was a young man who lost money in public markets, took a night job to survive it, and refused to stop paying attention. Zerodha is what a decade of that produces.
The Problem Nobody Was Solving
By 2010, both brothers were experienced traders.
Nithin had been trading for a decade. He understood the markets deeply. He also understood something that most people in the brokerage industry either did not see or chose to ignore.
The fees were killing retail investors.
Traditional brokers in India charged a percentage of every trade. Buy shares, pay a fee. Sell shares, pay a fee. The more you traded, the more you paid. For large institutional investors this was manageable. For ordinary Indians trying to build wealth one trade at a time, it was a tax that made meaningful participation almost impossible.
The system was designed for the wealthy. Everyone else was an afterthought.
Nithin looked at this system and asked a simple question.
What if you charged nothing?
Not a lower fee. Not a discounted fee. Zero brokerage on equity investments.
The idea was radical. The entire industry ran on brokerage revenue. Every established player, every analyst, every expert in the space would have told him it was impossible to build a sustainable business on zero fees.
He and Nikhil built it anyway.
In 2010, with their own savings and no external funding, they launched Zerodha.
The name itself told the story. Zero combined with rodha, the Sanskrit word for barrier.
Zero barriers.
Building Without Permission
The early years were brutal.
No venture capital. No marquee investors. No famous advisors. No press coverage. No industry connections willing to take a bet on two brothers from Bengaluru who were trying to undercut an entire industry's business model.
Just a product, a belief and the stubbornness to keep going.
Nithin handled the business and the platform. Nikhil handled trading and strategy. They complemented each other perfectly, one the operator, the other the investor, both obsessed with making markets accessible to people who had never had access before.
They bootstrapped every single rupee of growth.
They took no salary in the early years. They reinvested everything. They built technology that made trading simpler, faster and more transparent than anything that existed in India at the time.
And slowly, steadily, without any of the noise that accompanies most startup success stories, they started winning.
Retail investors found Zerodha and stayed. Because the fees were zero. Because the platform was clean. Because for the first time, someone was treating the ordinary Indian investor like they mattered.
By 2021, Zerodha's profits crossed 1,000 crore rupees.
By 2024, profits had reached 4,700 crore rupees.
The company had over 12 million active clients.
Zero external funding.
Zero VC money.
Zero compromise on the original mission.
India's largest brokerage firm had been built by two brothers who never asked anyone for permission.
The Stroke Nobody Saw Coming
In January 2024, Nithin Kamath suffered a mild stroke.
He was fit. He exercised. He took care of himself. By every external measure, he was a healthy 44-year-old man at the peak of his career running a company that had transformed Indian finance.
The stroke took him completely by surprise.
The symptoms were severe. Facial drooping. The inability to read or write. Mental fog so heavy he could not think clearly. All the skills he had spent decades building, suddenly gone or severely diminished.
He revealed it publicly six weeks later, with a honesty that was unusual even by his standards.
He wrote: "Around 6 weeks ago, I had a mild stroke out of the blue. Dad passing away, poor sleep, exhaustion, dehydration, and overworking out, any of these could be possible reasons."
In the first month, he told a podcast later, he genuinely thought his career was over.
"I thought that I'll retire. I thought it had all come to an end."
He did not retire.
By the second week after the stroke, he was on the treadmill. Not because a doctor told him to. Because he could not imagine stopping.
Two months after the stroke, he was back at work. Slowly rebuilding. Relearning writing. Relearning speech. Relearning the guitar he had played for years.
Fourteen months later he wrote publicly: "My body is almost back to normal. My mind is at about 85 percent."
He added something that only someone who has genuinely faced the end of everything can say with authority.
"The doctor said you need to know when to shift the gears down a bit."
That sentence from the founder of India's most successful bootstrapped company, a man who built an empire through sheer stubbornness and relentless work, is one of the most important things any founder can hear.
The work is not worth more than the life doing the work.
Nikhil and the Question of Purpose
While Nithin was rebuilding, Nikhil was evolving.
The younger brother who had dropped out of school at 14 had become, by his late thirties, one of India's most influential voices on money, wealth and the meaning of success.
His podcast, WTF is, became one of the most watched in India. Guests included Prime Minister Narendra Modi, Bill Gates and Elon Musk. Not because Nikhil had a media company or a production budget. But because he asked questions that cut through the noise and made genuinely important people say genuinely honest things.
He became the youngest Indian signatory of the Giving Pledge in 2023, committing to give away half his wealth. Not as a PR exercise. As a genuine reckoning with what wealth actually means when you have more of it than you will ever need.
He built True Beacon, an asset management firm that charges zero fees to ultra-high-net-worth clients, the same philosophy that built Zerodha applied to a completely different segment.
He built Gruhas, a venture fund focused on climate tech, consumer brands and sustainability.
He started asking publicly, in interviews and on his podcast, questions that most billionaires never ask.
Is the way we define success actually making people happy?
Is the relentless pursuit of growth actually good for the people doing the pursuing?
What does it mean to build something that lasts versus something that merely scales?
These are not questions that come from comfort. They come from someone who dropped out of school at 14, worked night shifts at a call centre, built a billion-dollar company from nothing and then had the intellectual courage to ask whether the thing he had built was actually pointing in the right direction.
How Zerodha Actually Makes Money
The obvious question about a zero fee broker is the one everybody asks. If it is free, where does the money come from?
Zerodha charges nothing for equity delivery, meaning shares you buy and hold. For intraday trades and futures and options, it charges a small flat fee per executed order rather than a percentage of the trade value. Flat is the whole idea. A large order and a small order cost the same, so scale stops being a penalty for the person with less money.
That single pricing decision did two things at once. It made the platform obviously cheaper for anyone who traded actively, and it made revenue predictable in a way percentage broking never was. Add several million active clients doing millions of orders, keep the team small, spend almost nothing on advertising, and the numbers work without a single funding round.
Most people call this a pricing strategy. It is closer to a filter. Zero fee delivery meant Zerodha could not survive on the traditional broking habit of pushing customers to trade more. It had to survive on being the default place people kept their money. Those are very different companies.
Nithin Kamath's Net Worth, and Why the Number Keeps Moving
Search for Nithin Kamath net worth and you will get half a dozen different figures, all confident, all citing each other.
Here is the honest position. Zerodha is privately held. The brothers own the overwhelming majority of it. Public estimates of their wealth are built from Zerodha's filed profits and a valuation multiple that the estimator chooses, which is why rich lists published in the same year can disagree by billions. Reported profits crossing 4,700 crore rupees and a company frequently discussed around the eight billion dollar mark are the inputs. Everything after that is arithmetic on an assumption.
Nikhil signing the Giving Pledge in 2023, committing to give away at least half of his wealth, is the more useful data point than any list. It tells you what they intend to do with the number, which they control, rather than what the number is, which they do not.
Nithin has said publicly that he does not want a private jet or a yacht. Fourteen years of behaviour back that up. The wealth is a byproduct of the business, not the reason it exists.
What Zerodha Got Right That Everyone Else Missed
Zerodha's story is not just about zero fees.
It is about a fundamental philosophy that ran counter to everything the startup world was celebrating at the same time.
While founders around the world were raising billions, burning cash to acquire users and optimising for growth at any cost, Zerodha was doing something radical.
It was being profitable from day one.
Not eventually profitable. Not profitable-once-we-scale. Profitable from the beginning, every year, without exception.
Nithin once said: "I don't want to fly in a private jet. I don't want to own a yacht."
That is not false modesty. That is the philosophy of a builder who never confused the score with the game. The score was the money. The game was democratising wealth for India.
They stayed focused on the game.
Zerodha never raised external capital. It never needed to. Because it was built on a business model that worked, that served its users honestly and that grew because the product was genuinely better, not because the marketing was louder.
In a world obsessed with unicorn valuations and funding announcements, Zerodha became an $8 billion company without ever needing anyone to write them a check.
That is not just a business achievement. It is a philosophy made real.
What I Take From This
I am building BeSpoke AI Stylist in India.
Without external funding. Without the traditional credentials. Without a network of people in the right rooms telling me the idea is good enough to back.
And when I think about what it means to build something that genuinely changes access, that tears down the wall between what was reserved for the privileged and what should be available to everyone, I think about two brothers from Bengaluru who looked at India's financial system and decided the barrier was not a feature. It was a flaw.
They fixed it.
Without permission. Without capital. Without compromise.
Three lessons I carry from Nithin and Nikhil Kamath into everything I build:
The business model is the mission. Zerodha did not add zero fees as a marketing strategy. It was the entire point. When the model and the mission are the same thing, you never have to choose between doing the right thing and doing the smart thing.
Profitable from day one is not a constraint. It is a superpower. Every company that builds on profitability first has a clarity of decision-making that no amount of VC money can buy. You know what works because you can only keep what works.
The work is not worth more than the life doing the work. Nithin's stroke is the most important business lesson in this entire story. Build hard. Build relentlessly. But know when to shift the gears down. The company needs you healthy more than it needs you heroic.
One Final Thought
In 2010, two brothers from Bengaluru launched a brokerage with zero fees and no external funding.
The industry said it would not work.
Fourteen years later, they had 12 million clients, 4,700 crore rupees in annual profit and a company worth $8 billion.
Built from savings. Built from stubbornness. Built from a belief that the ordinary Indian investor deserved better than what the system was offering.
They were right.
And the wall they tore down, between ordinary people and the financial markets that build wealth, is still down.
That is what building something real looks like.
Not the valuation. Not the funding round. Not the headline.
The wall that is no longer there.