Hero Motocorp — xtreme/ engine noise issue under warranty

Address:

411033

My hero xtreme bike having engine noise issue which i had purchased in july 2014,
Service centre person not taking responsibility because it is under warranty.

Need to resolve issue pls suggest?

Waiting for your positive response?

Technician told that having issues in cylinder and piston alignment, need to be check. Want action on same in warranty.