Muslims of India speak openly about.......

I am not an MQM guy, secondly go to your local library and ask for a copy of the Census of India 1941, and look at the figures for Delhi territory.

You seen to be a typical RSS type upper caste Hindu, who has no knowledge or understanding of Pakistan, just blind hatred. I would suggest when you are looking at the 1941 Census in the library, also have a look at the Encyclopedia Britanica, and read up the Pakistan entry.