By Sanjeev Sharma New Delhi, Jun 12 (IANS): Edtech company Byju's is now India's most valuable unicorn startup with a valuation of $16.5 billion, surpassing fintech company Paytm's $16 billion valuation. As per CB Insights data, as of June 2021, Byju's is the 11th most valuable startup in the world. The total number of unicorns worldwide....