Flipkart — Sony Bravia google 32 inch tv was received defected

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Flipkart

I ordered sony Bravia google tv 32 inch. On june 30 from flipkart, I received defected item, on 1 july when sony technician came for instalation he saw screen was brocken from inside, we raised many complaint since then but never got ant satisfactory response from flipkart they always raise complaint for replacement but it never happened even the sailer is not contacting us . What should I do kindly look into this matter otherwise I will have to move consumer court.