Why was Harsh Jain rejected 150 times before building Dream 11?

In 2008, Harsh Jain started Dream 11 to make fantasy sports contests popular in India. However no investor believed in his business and 150 investors rejected him. In 2013, Harsh relaunched Dream 11 into a freemium app where users could pay to win paid contests. Today, it has more than 200 million users and is valued at 65,000 CR.