Billionaire and Mahindra Group chairman Anand Mahindra along with top Silicon Valley investors Naval Ravikant and Balaji Srinivasan are backing space tech start-up Agnikul as part of a new funding round. Chennai-based Agnikul said, on Thursday, that it has raised $11 million in Series A funding round led by Mayfield India. It is the largest funding round for a private Indian space technology company in the country. Existing investors pi Ventures, Speciale Invest and Artha Venture Fund also invested in this round.