You guys do have Plan 777 in Assam. That would've gave you 50mbps till 500gb.I got BSNL BharatFibre installed at Rs.5000/- in total. My plan is Rs. 729/-. My locality is Six Mile Guwahati.
777 is just a promo plan for new customer .I wonder why 777 plan is not permanent. It is gonna end in 3 days.