The telecom operator which has long provided broadband services to customers in two metro cities (Delhi and Mumbai) of India has rolled out a new offer wherein all the existing and new broadband customers of MTNL who have subscribed to plans north of Rs 600 will be eligible for a free MTNL 3G SIM card with data benefit of 5GB per month.The scheme which will be valid starting July 1 will be known as the ‘Broadband-GSM Companion Scheme’. Under the Companion Scheme, the broadband users with monthly billing upwards of Rs 600 can get a free MTNL 3G SIM card with five years validity free of cost. Subscribers with a monthly broadband billing of Rs 600 to Rs 799 will be eligible for 5GB data per month on this SIM card for 12 months. On the other hand, a subscriber with the monthly broadband billing of Rs 800 and above will be eligible for 10GB data per month on their MTNL SIM card for 12 months.
https://www.desidime.com/forums/hot-deals-online/topics/mtnl-offers-upto-120-gb-of-free-data-to-prepaid-users-with-an-active-prepaid-connection?page=1#post_5097990
Only internet ??? Not a good idea to block 1 sim slot only for 5gb internet