I'M FROM KOLKATA. RECENTLY I COME AIRTEL POSPAID CONNECTION UNLIMITED PLAN THROUGH MNP. AND MY CONNECTION STARTED ON 3RD DECEMBER, 2015 MORNING 7AM. I FACED A BIG PROBLEM LIKE "I CANT SENT SMS IN ANY NUMBER. CANT RECEIVE PHONE CALL. I COMPLAINED AGAIN AND AGAIN. BUT NOT SOLVED. MY AIRTEL NO IS 8282888088. THIS NUMBER IS USED ONLY BUSINESS PURPOSES. TELL ME WHAT CAN I DO AT THIS TIME.