Gonoise.com — Charging very higher amount for repairing small equipment

Address: Gopal Nagar, Amravati

I have purchased noice Calliber smartwatch from Flipkart also purchased extended warranty for 1 year. Watch is only 3 months old and its hook jack of wearing belt damaged hence 1 side belt can't stick over watch.
When I made online complaint employee asked me to pay rs.999 as a service charges. New watch price is rs.1199. please help me...