Kolkata, Feb 27: Skipper Mahendra Singh Dhoni blasted a century as Jharkhand defeated Chhattisgarh by 78 runs in a Group D match of the Vijay Hazare Trophy here on Sunday. Riding on Dhoni’s 107-ball 129, Jharkhand posted 243 for 9, and then skittled out Chhattisgarh for 165 in 38.4 overs at the Eden Gardens to pick up their first four points of the tournament.