NEW DELHI: New Delhi: General Atlantic has invested an undisclosed sum in an ongoing funding round at educational technology company Byju’s, following Tiger Global, which had put in $150-$200 million into the Bengaluru-based unicorn last month.Byju’s, which was valued at $8 billion after Tiger Global’s investment, did not reveal the exact amount invested by General Atlantic, but sources briefed on the matter indicated that the marquee private equity firm had pumped in a similar amount to that of the New York-based investor.