Here is all you must know about Airtel's 4 GB data plan at Rs 5. New Delhi: At a time when the telecom space has been entirely shaken by the entry of Reliance Jio and its dirt-cheap offers, telecom operators are leaving no stone unturned to compete with the newest entrant. Intensifying the heat on mobile data war, Airtel has launched a series of new data and voice call plans for its prepaid customers starting as low as Rs 5. However, the offers come with certain riders. Hence it is advisable that you check with the operator and find out your eligibility. Airtel's Rs 5 plan offers 4 GB 3G/4G data to the subscribers. But customers should keep in mind that the offer is valid only for 7 days. Also, the offer is applicable for one-time recharge only and post 4G SIM upgradation. So, if you recharge with Rs 5 plan, you will have to consume the entire 4GB data within 7 days. After the expiry of the alloted days, you will not be able to consume the data nor