BSNL Super Plan: 70 days validity and 3GB daily data.. This plan becomes a problem for Jio-Airtel

Are you a customer who uses the internet as much as possible on your phone and you also have to send SMS a lot. In such a situation, while private telecom companies provide you expensive recharge plans, BSNL has a prepaid recharge plan which gives you unlimited calling along with a lot of data and SMS along with long validity at a low price. Let us know what is the price of this plan of BSNL and how it is becoming a problem for Airtel and Jio.