Sony India — rebooted automatically

Address:

Pune, Maharashtra, 411019

Dear sir,
I am sandeep kamble, had purchased sony bravia 4k led/kd-43x8200e tv on 20th may 2018 from radhika pimpri.
After few days there was a reboot automatically tv.
I raised a complaint for replacement now they are saying we cant replace, after few days our engineers replacement a motherboard.
Then i got same issue again and again.

I need a replace of tv. I was given a defect tv where reboot, sound and screen gone everything can go