Byju Raveendran, a 37-yr-old former teacher, is India's newest billionaire

India's online learning market is expected to more than double to $5.7 billion by 2020, according to the government-backed India Brand Equity Foundation

India's newest billionaire is a former classroom teacher who developed an education app that's grown to a valuation of almost $6 billion in about seven years.  

Byju Raveendran joined the rarefied club after his Think & Learn Pvt scored $150 million in funding earlier this month. That deal conferred a value of $5.7 billion on the company in which the founder owns more than 21 per cent, people familiar with the matter said. Its closing coincided with the announcement that the company's Byju's app -- named after the founder -- will team up with Walt Disney Co and taking its