Bangladesh was never part of the game, below is the expert of Allama Iqbal's 1930 speech at Ali garh.
" I would like to see the Punjab, North-West Frontier Province, Sind and Baluchistan amalgamated into a single State. Self-government within the British Empire"
http://www.columbia.edu/itc/mealac/pritchett/00islamlinks/txt_iqbal_1930.html
There is no Kashmir in it either.