Ai.tech emerged as India's fastest unicorn after hitting $1.5-billion valuation in three years without external funding, making it part of list of bootstrapped Indian unicorns, according to Hurun India. The other startups that recently entered the unicorn list include Navi Technologies, Rapido, Netradyne, Jumbotail, Darwinbox and Vivriti Capital. Veritas Finance and Moneyview also became unicorns.