Karbonn Mobiles — Not providing battery since 10th oct 2015 for sparkle v handset

Address:	New Delhi, Delhi, 110077
Website:	Karbonn

After 10 month of buying new Sparkle V set, battery stopped working. I submitted the complaint on 10 Oct 2015. And till know whenever I query them only one answer comes "wait for next 15 days for new battery will soon come, sorry for the inconvenience". Does such company expect that customer should be having alternate mobile, which we could use in case of eventuality. My job sheet number is KJASPDL0821015KR33466. I do expect a