Airtel — airtel prepaid sim was inactive a week and now suspended

Address: 500010

Hi,

I have a airtel prepaid ([protected]) sim which doesn't have any signal and while i am trying to recharge getting messages as "recharge failed".

I am in germany and cannot visit any airtel office. As brother visited the office on behalf of me and said the sim is suspended.

Please help me in activating the sim.
As my airtel number is not working please me know how you can approach me.

Also when i try to raise a complaint from gmail it says gmail is not registered and doesn't take any complaint.

Expect an immediate response.