Amazon.in — Android One Phone not repaired yet given 2 months before current date.

Address:	Gurgaon, Haryana
Website:	www.amazon.in

I have purchased Android one phone from amazon.in. Phone having various problems like touch display etc. I have submitted to the center. they said we will have to change its motherboard. they already took 2 months for repairing but phone is not get repaired yet. Please provide the solution what to do, the phone is in warranty and its warranty is getting short day by day and not get the net solution yet. Please help me to take replacement from Amazon.in.