Foreign portfolio investors (FPIs) are increasingly concentrating their India bets on a clutch of stocks. Nearly 46% of their total investment as on June 30 has been in 10 stocks — HDFC Bank, HDFC, Reliance Industries, ICICI Bank, Infosys, TCS, Kotak Mahindra Bank, Axis Bank, Bharti Airtel and HUL- show data compiled by Motilal Oswal Financial Services.