In the third cricket test at Kolkata, England has tightened the grip over India with skipper Alstair Cook playing a superb knock of 190 to help his side take a 193 runs lead in the first innings. England ended Day 3 at 509 for six with Matt Prior and Graeme Swann at the crease. Spinner Pragyan Ojha claimed 3 wickets while Ishant Sharma and R. Ashwin claimed one each.The scores so far: India 316England: 509 for 6