Micromax Q75 Mobile — not working properly

Address:

Maharashtra

I PURCHASE MICROMAX Q75 MOBILE FROM SNAPDEAL ON LINE SHOPING CENTER DATED[protected].BUT I FACE TO MAJOR PROBLEM IN THAT MOBILE AS FOLLOWS
1) FACEBOOK APLICATION NOT OPEN.
2)MOBILE NOT CONNECTED TO COMPUTER BY MOBILE PC SUIT.
I GIVE IT TO REPAIR AT MICROMAX MOBILE CUSTOMER CARE CENTER AT JALGAON 2 TIMES BUT THEY CANT SOLVE MY PROBLEM. SO TELL ME WHAT TO DO NOW.

MOBILE PURCASING DETAIL AS FOLLOWS
1)ORDER NO.[protected]
2)INVOICE NO.ST-504295
3) INVOCE DATE 01 04 2012