Best start up in India which would rise in next 3-4 years and make a billionaire.

What is the best start up in India which would rise in next 3-4 years and make a billionaire?

Voonik - Voonik provides a personal shopping platform that acts as your own personal stylist to make you dress well within your budget. All online. Completely Free.
Practo - Asia’s leading doctor search engine used by millions of patients every month and Practo Ray – the practice management solution of choice for thousands of doctors managing millions of appointments and digital healthcare records every year.
Treebo - Treebo is a tech enabled, asset-light, affordable accommodation brand.
Simplilearn - Simplilearn provides Online classes, classroom training and practice tests for PMP, PRINCE2, ITIL, CFA, FRM, Six Sigma, Cloud Computing, CISA, SAP, Microsoft and more.
HelpChat - Helpchat is a personal assistant app that helps you get more things done. This could be anything - from recharging your phone to tech support, travel booking, holiday guidance, ordering groceries and food at your doorstep, providing shopping assistance, helping you find the best deals & coupons, web check-in and laundry.
Jugnoo - Jugnoo started out as Uber for autos and aims to be the largest in “hyper-local” using the auto-rickshaws as a conduit to get there. The economics are unique and such in India that the model makes a lot economic sense without huge capital outlay because the rickshaws are already there and the drivers want extra income.
FreshDesk - Freshdesk is one of the fastest growing SaaS customer support solutions in the world today, with businesses right from the hottest garage startups, all the way to some of the biggest enterprises relying on it to deliver exceptional support to their customers.
Zivame - Zivame is India’s largest online lingerie only store. Retailing premium and super-premium brands, Zivame provides a complete lingerie shopping solution. We pride ourselves with a collection of lingerie suited to the needs of every Indian woman complete with world class styling.
InShorts - Inshorts (previously news aggregator NewsinShorts) is a content consumption and discovery app which provides news and other content in 60 words.
Belong - Belong helps organizations discover, engage and hire top, relevant talent at the right time. Their data-driven hiring solution helps growing companies spot candidates who best fit their requirements and are most inclined to move, and engage with them through personalized interactions.
Roposo - Express your style, follow celebrities and trendsetters, find amazing products and share trendy posts on the biggest fashion social network.
Mapmygenome - Mapmygenome is a molecular diagnostics company to make people proactive about their health. They offer personalized health solutions based on genetic tests that help people to get to know about themselves.
Arya.ai - It is a developer platform for 'Artificial Intelligence' offering Deep Learning modules in Text, Vision, Reasoning and Dialogue systems.
Niki.ai - In the current avatar, Niki can process mobile phone recharge and book cabs for the consumers. It assists in finding the right recharge plans across topup, 2g, 3g and makes the transaction. In cab booking, it helps in end to end booking along with tracking and cancellation within the App. You may also compare to get the nearest or the cheapest cab among available ones.
Track N Tell - Trak N Tell Intelli7 provides hassle free car tracking solutions. Its enhanced car safety system also ensures the safety of your car and family.