I USED MOBILE NO. PORTABILITY OF MY NO. 7869106147 TO SWITCH FROM TATA DOCOMO TO RELIANCE FOR THIS I FILLED THE CAF FORM AND SUBMITTED RELEVANT DOCUMENTS ON 29-DEC-2011 AT RELIANCE WEB WORLD. ON 7-JAN-2012 I GOT MESSAGE FROM RELIANCE THAT YOUR PORT IN REQUEST IS ACCEPTED AND UR NO. WILL BE OFF FOR 2 HRS THAT FROM 10 PM TO 12 AM ON 8 JAN-2012 I FOUND THAT MY TATA SIM NETWORK GONE AND I AM GETTING THIS MESSAGE ON INSERTING SIM TO MY MOBILE THAT "SIM CARD REGISTRATION FAILED" AND MY RELIANCE SIM I ALSO I AM GETTING SAME "SIM CARD REGISTRATION FAILED" NOW I AM FED WHY THERE IS ALWAYS PROBLEM WITH RELIANCE MY SEVERAL FRIENDS ALSO WERE SUGGESTING NOT TO GO FOR RELIANCE BUT I THOUGHT RELIANCE PROVIDE GOOD SUPPORT TO THERE CUSTOMERS BUT NOW I AM REGRETTING ON MY DECISION THEY TOTALLY LED ME DOWN.....I WENT TO RELIANCE WEB STORE THEY ARE ALSO NOT HELPING ME NOW WHAT SHOULD I DO MY BOTH SIM NOT WORKING......???????????????:mad