Flipkart — Warranty of my Phone

Address:

Bangalore

I ordered a refurbished phone (Pixel 3) from Flipkart last month! The phone stopped charging. They provided me with xtracover support number and mail id! ( None of those work). I tried contacting Flipkart customer 13 times after that with no avail. Im fed up at those point, Flipkart bis pretty much scamming the Indian public and there's no one that can catch them. Im sitting with a 11k dead phone in my hand.
Just a note the refurbished phone ka cover for 12 months under warranty!