Micromax canvas knight A350 (white -gold) — Unsatisfactory work after taking payment by service care

Address:

New Delhi, Delhi, 9899852337

I purchased mobile of micromax canvas knight A350 in the month of october 2014 from amazon.in. From the month of August 2015, there is problem in my handset's zeck. I submitted it Royal Services, 3425 Mahindra Park, Rani Bagh, Delhi-34. Due to little bit damage of my handset back cover the service man asked me that your handset warranty has spoiled. I paid rupees 1950 for only changing of zeck of my handset on[protected]. But after that my handset zeck not worked properly and I again submitted it on[protected] in same service centre but till now i did not received my handset. It is very bad service provider and making headache of mine. We have visited the such service centre many times but there is no positive response from there side. Kindly help us for taking legal action.