Rajshekhar Ghosh, who returned match figures of 6/33 helped Tripura defeat Sikkim by an innings and 84 runs in an East Zone Cooch Behar Trophy match at the Polytechnic Institute Ground, Agartala on Saturday. Sikkim were in trouble at the hands of left arm medium pacer Tushar Saha (4/14) in their first innings and were bundled out for 73 in 32.1 overs. Tripura blazed off to 264 all out in 77.1 overs, riding on a patient 40 by Subrata Choudhury and a half century by Sandip Banerjee (56). Pintu Kumar (4/63) and Amos Rai (3/83) were the successful bowlers. Sikkim were dismissed for 107 in 41.2 overs in the second innings with Amlesh Kumar (39) making the major contribution. Rajshekhar Ghosh (3 for 16) and Kaushik Choudhury (3 for 14) caused most of the damage.