Jet Blaze Motors, Kanchipuram — Improper service and spoiled my new classic 350 engine

Address:

631501

I put my new royal enfield 350 classic for chain spracket change on 19-1.16 and got delivered on 20.1.16 evening 6.30pm. when i start and drive the bike the engine sound is crackling and get over heat. and then i again complaint in jet blaze motors and hand over the bike on 21.1.16 they checked and tell the mechanic boy is new for service and he sealed the head holes so the oil is not circulating so they assured tol clear the sounds in one day and hand over it to me. but stil 3 more days gone nobody is given proper answer to me.. still now my bike is in crackling sound condition in show room they didnt attend the fault.. please solve the problem and handover my bike to me