Airtel Bondho Sim Offer 20 GB at only 21 Tk

Welcome to a irtel bondho sim offer 20GB (10GB Facebook + 10GB Open Internet) Internet free.Airtel bondho sim customers will be eligible to enjoy 1GB Facebook + 1GB Internet on 21 Tk Recharge on every single month till next 10th month.

How to check that you are eligible for Airtel bondho sim offer or not?
Customers can check Airtel inactive sim offer eligibility by dialing *999#