By Rama Venkat BENGALURU, June 8 (Reuters) - Indian shares ended lower for a fourth session on Wednesday after the central bank's second rate hike in as many months fanned fears that more tightening might choke economic growth. In a widely expected move, the Reserve Bank of India raised the repo rate by 50 basis points to 4.90% and dropped its "accommodative" stance, signalling stricter tightening ahead to...