Swipe Elite — battery heating up and not holding charge

Address:

Cuttack, Odisha, 754028

Swipe elite sense-4g with volte mobile imei no.[protected], s/no.[protected] was procured through flipkart on 09 mar 2017. After 4 months use it started giving following issues.
1. Mobile is dangerously getting heated up while charging
2. Mobile remains always hot either in use or unused
3. Battery holds charge for 1-2 hours only
4. Repeated charging is required to maintain 1-2 hour use
Item is under warranty.
Flipkart refused to entertain this issue.
Suggest solution to replace or rectification by giving correct service centre address with contact numbers which can undertake this issue in bubaneswar or cuttack.
Mails sent to you on this regard are not replied so far.
Hope to hear from you a good solution.