Micromax Informatics — Micromax aq5001 (S) in customer care from last 3 month

Address:

Haridwar, Uttarakhand, 249401

I purchase micromax aq5001 in nov 2015, after one week phone got hang frequently, i submit the phone in customer care 65, vivek vihar, ranipur more, haridwar, uttrakhand, pin code : 249401, on date 3/12/2015 by hand .Imei/esn no: [protected]/[protected], model no :sermob0655.The problem reported is 5405 applications application crashes.
Today is 23rd feb its about 3 month, but still i did not get my phone back, please suggest me when i will get my phone back.