STEP2) Go to Games section.
STEP3) Scroll down and come to Airtel Recommends.
STEP4) Select the game what is listed.
STEP5) A new page will open scroll down Click recommend.
STEP6) Scroll down now you can see For Airtel Users only.
STEP7) now enter the phone number of your friend and the message.
STEP8) Click Proceed
STEP9) YOU ARE DONE .
When you are done your friend will receive message in the form of service message (browser message).