Sony India — lcd screen

Address:

Ghaziabad, Uttar Pradesh

On 3 rd of April my LCD shows me the problem of blinking light like red green blue and others too the mother board has changed and stands at service center when I have asked to deliver that LCD the company executive has delivered to my home address but finaly when I have open to watch the t.v the voice is not there in the LCD what could I do with the company will I go to consume cort for some legal actions or not