not all bengalis are opposed to nuclear deal. so generalising would be a little harsh.
secondly, not sure what made you think india would be better place without certain communities. the very essence of this great country is its ability to stand united and deliver even amidst so much of diversity. don't you think so?
any which way, i am not sure if you are interested in indian history. i would suggest you do have a peek ... more so in modern history of the country. you'll surely find authentic accounts of what various communities have done for this country.
anyways, communinal extremism and hatred has taken so many lives of so many leaders and common men in this country. why do you want to spread the fire?