The new data cheat from Airtel. This is simply done using these steps. Make sure you read carefully.
Simply get a new Airtel SIM or any SIM that is not more than three (3) months of age, you can easily know how to check your sim age by clicking here
After you have confirmed that you have registered the SIM for not more than 3 months, it shows you are eligible to activate the data.
Now, buy N200 recharge card and load it on that Airtel SIM. Check your data balance by dialling *123*1# and you will see 4.6GB data smilling at you.