If your Airtel mobile has been registered with Airtel Money by dialing *400# and you want to load cash in your Airtel Money account then you can load cash through online from separate website which is being used for Airtel Money service.
Steps to Load Cash in Airtel Money Account -::
1. Open Airtel Money Website.
2. Click on Load Cash option available on Top.
3. Enter 10 Digits Mobile Number.
4. Enter the Amount to Load.
5. Choose Your Internet Banking enabled Bank.
6. You will be redirected to the Payment Gateway of Bank, Do your Transaction, It is simple as you are doing shopping online or transferring the amount to someone.
7. You can keep Transaction reference number for future reference.
8. Check your Airtel Money Balance by dialing *400# from your mobile, and choose option 7 ( My Account ) to check your balance.