You are just a stupid, what Bengalis are you need not have to difine. How much you know about Swami Vivekananda, Rabindra Nath Tagore, Netaji Subhas Chandra Bose, Satyajit Ray, Amartya Sen, Mohd. Yunus and many such gigantic person from Bengali origin. You illeterate, just tell me you belong to which provice if you have guts.