Micromax — Mobile set dead

Address:

New Delhi, Delhi

Hi, This is Suman Roy, have purchase a Micromax A114, Canvas 2.2 on 21 june 2014 and the set's touch screen sparked during the charging on 17 oct 2014. we have submitted it with service centre on 21 oct 2014 and after repair I got back it on 23rd Dec-2014. Again after smoothly use the set switched off automatically on 20 jan 2015 and which was on same days submitted with service center. But till today I don't got back it. Please suggest me what can I do Why I invested 9350 for the set?For service center or for personal use. Also noted I have send a mail in the month of dec for extending its warranty period and for this i have never get any responce.