Airtel — debit from my airtel wallet not allowed.

Address:	829144
Website:	Airtel

I am trying to do recharge through airtel app using my airtel wallet but it displays, "debit for this account not allowed."
This is causing too much trouble for me. I am a student and ₹448 is too huge a sum for me to be stuck somewhere.
If it was meant to be freezed then i should not have been allowed to add that sum of money to the wallet in the first place.
This is very bad from airtel.