Airtel offering Rs 10 free recharge for sending a message. Offer is for Airtel prepaid numbers which are unregistered at Oxigen Wallet. How To Get Rs.10 Free Talktime ? 1. Type GOVINDA AIRTEL and send to9963900600 2. You will get a confirmation message that Rs 10 is added in your oxigen wallet 3. You also receive login details in sms 4. Go to oxigenwallet.com & login to your account 5. Recharge your mobile with Rs 10 Note: For my case, I even did not login to oxigen wallet, Rs 10 recharge automatically done on my number after few minutes.