Unable to defeat? You mean, other than cutting you into two? Yea, sure.
Who do you think trained the belligenrents in the civil war? Who do you think organized, armed and trained battalion after battalion of 'Mukti Bahini's right under your nose?
And you think it was fully a civil war? That the Indian tanks riding through east Pakistan, the Indian air force destroying every strategic asset in east Pakistan, the naval aviators destroying Chittagong harbor, was all part of "civil war"? You think the setting ablaze of Karachi harbour and the destruction of half the Pakistan navy in the west was "civil war"? You think the destruction of the entire merchant fleet was "civil war"?
As for the "handful of muslim soldiers" part :
1) It wasn't a handful, they were mighty armies.
2) It was mostly present day Pakistan that bore the brunt of foreign invaders. Marathas, Rajputs etc resisted. Mumbai or Chennai were not pillaged and ransacked, but every inch of today's Pakistan was.
Your trying to pretend that it was a hindu-muslim thing, and that somehow you magically became the conquerors and not the conquered, is truly amusing. By that logic, the christians in India can claim to have founded an empire on which the sun never set.
Just keep doing the only thing you are good at. It's always fun for me to checkle and laugh at pathetic abusers who don't have enough brains to hold a meaningful discussion. Makes me feel so blessed, to be so far above creatures like you that lack brainpower.