Pro DVD - 4.3GB spanning several nights), the bill for July was correct i.e. downloads in 00:00->08:00 were not counted. I had no reason to suspect that I would be in this hole in Aug. and Sep.

Looks like someone in MTNL is reading Sun Tzu's Art of War :) 'An important part of a military operation is deception. Attack them when they least expect it.' Looks like they fragged you here. I'm gonna write some custom auto app that sets off smoke alarms, sprinklers, and blows up the local exchange when something fishy is detected. But first the MTNL apparitions have to materialize to start my conn. And for once I'm okay if they don't come at all.