[Resolved]  Flipkart — disfunctioning of dell inspiron 14 laptops keyboard

I have bought and gifted a dell inspiron14 laptop at Flipkart Online shopping on October 3 rd.my sister was very happy. but after few months few keys from the keyboard was not working. so i called to dell service center through the phone call at the beginning they tried to find out the problem but when they came to know about the defects they didn't respond at all.hence it was not fruitful one.even the warranty period is till the December, i didn't get any solution to my problem. i bought many goods and recommend it to my friends but due to this inconvenience i felt really bad.please help me to solve this problem. im looking forward for ur positive approach.