Nikhil Kamath Warns 2027 Could Be Tough For Startups Amid AI Bubble Fears. Zerodha co-founder Nikhil Kamath has warned that raising capital could become more difficult in 2027, citing a widening gap between the money flowing into artificial intelligence and the revenue it is generating. In a conversation with Rahul Kanwal, Kamath said the estimated $700-$800 billion annual gap between AI investment and enterprise revenue would need to be bridged, raising questions about the sustainability.