Hero Motocorp — bad service

Address:	Kollam, Kerala, 691578
Website:	www.heromotocorp.com

Sir, i have purchased hero hunk (Kl 02 az 3019) on october last on 2016. On the first service onwards i have complainted that the chain socket is complaint i told to replace the chain socket. But the they are telling that there is no problem on chaion socket. On my bike has completed the 6 sixth free service. I have done the sixth free service on last saturday. Then onwards there is a sound from chain while running. Its difficulty to turn the bike while riding. I have purchased hero hunk from kiran motors paravur, kollam. Please take necessary action.