Airtel Prepaid Sim
Simcard registration failed

I am using Airtel prepaid card from Bangalore. Currently I am in Maharashtra for my project work. I was using this sim in maharashtra as well on roaming. But suddenly my mobile is showing me sim card registration failed and I am not able to use the sim card anymore.

Please let me know how I can activate the sim again. I am having the balance on this sim and also the validity is till Dec. This is very important number as it's being used for all official calls. For next 3 months I will be in Pune regarding my work so I don't want to miss any calls on this number.

Please tell me what is the procedure to get it activate again from Pune.

Waiting for reply

Company: Airtel Prepaid Sim
Country: India

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