Fastrack — Fastrack black chain watch. Color fade. No warranty issued in store

Address:

Prashanti nagar, vanasthali puram - 500070, Hyderabad

Hello,
On 19th Apr, i purchased a watch in world of Titan store, vanasthali puram - 500070.
It's not even 20days crossed my watch is color faded.
When I contact store they r neglecting my complaint and not issuing warantee.. please issue warantee and fix my issue.