Consumer Redressal

Requesting you to resolve my problem with reference to the my xolo  phone handset X900 the phone is unserviceable since July 2013 and I have been following up the concerned xolo call centre. Initially they told me that they will pick the handset from my postal address then they asked me to it to the dropping point which is   NJ telecom in kandivali west its was handed over on the 05th August 2013 however I am not getting the handset back. I was told I will receive it 10days but I haven\'t received any status on my handset and there are unable to track my handset inspite of repeatedly following up with the call centre they have all the details but they tell me they will call back within 48hrs but they dont. Requesting your assistance I taking this organisation xolo which is a lava product to task as the are cheating and we can do I to get frastrated everyday but call their call centre.