You are trying to make it appear as if Indian Agencies are not aware about all this, if a common man like you knows so much just from observation and logic, imagine how much more they do.
The million dollar question is "What have done about it, what are they doing about and waht do they plan to do about it?
The voting booths and system is so primitive and inconvenient only the poor bribed people trucked by the bus loads to the voting sites. Leaving the educated at home home watching the elections on the TV avoiding the hassles. Unlike USA expats are not allowed to vote. I being one of them, and every vote counts.
In utter frustration all that I can say is shame on our corrupt politicians and the agencies they control. India will remain a p*i*m*p country for the foreseeable future. It is dark and bleak.