Reliance Jio's biggest competitor Airtel has introduced a new Monsoon Surprise offer. Under this, Airtel is giving 30GB of mobile data free for the next three months. Airtel will offer 30GB 4G data free to its postpaid customers for the next three months from July 1, 2017. To avail this offer, customers will have to make a claim in the My Airtel offer. Airtel today sent out emails to select users. "Now as the monsoons approach, we are sending another shower of data your way. I am delighted to share that we are extending the data surprise by another 3 months. Now you get the extra data for 3 more billing cycles. All you need to do is claim your surprise on My Airtel app after 1st July, 2017. " Also Read: Airtel introduced digital care service for prepaid users Online banking users to reach 150 billion by 2020 according to a Study OnePlus 5 launches in India