Videocon Industries — led tv 43"

Address:

Vashi, navi mumbai

I bought videocon led tv 43" in the month of oct-2018 with 3year warranty.
Now from the month of oct_2019 i started getting issue in the tv. I tried contacting the support staff of videocon but in vain. They are yet to repair the tv. It's been more than 6 months i am trying to chase the staff but in vain. Please suggest.
Buying details i bought the videocon tv from vijay sales, mumbai sion branch.
Cost of buying 37990
Warranty on the product 3 years
Even vijay sales people are not responding on the emails.