Airtel — unable to make outgoing calls in roaming for prepaid no.

Address:

Ludhiana, Punjab, 141003

I have an airtel prepaid connection number... From punjab. Whenever i was in roaming i am unable to make outgoing calls, but receive incoming calls. Now i am in roaming and facing same problem. I am really facing problems with this kind of poor services from airtel. Kindly look at this matter and try to resolve my problem. Thanks

Mobile no. [protected]