Torrent Power — High bill amount

Address:

Torrent power diva east

So cheap service, Our room is in diva east 400612 (thane), but no one is living there still 6 months, still they gave us electricity bill above 500. We complaint there so many times, we gave them the photograph or video of meter reading, complaint letter also, but still they are giving so much bill. Now what we can do ?. They said that pay this bill we will adjest or correct the next bill, but does nothing. How we can pay the bill. What we can do..? When we get justice about this..?