Airtel — I'm unable to call out since I registered my sim, I only receive call.

Address:	00176
Website:	nill

The sim was registered immediately after buying, on the 22nd of september this year. I am having call out problem since then, i only receive calls. My phone number is [protected]. Please help me to solve this problem. I load card but i cannot make call nor sent message. Please try all your possible best to solve the problem for me. If there is any.