I can understand your problem and it's very difficult to find a groom if we don't have any references. I would advise using bengalishaadi.com which is part of shaadi.com. You can find many profiles of your interest with pictures.
Hope you will find the best groom for your daughter soon.
no.
Yes, Samajpati is a Bengali Brahmin surname often found in West Bengal and Bangladesh, among families belonging to the Brahmin community.
Yes
Bengali Hindu Brahmin
no
no
no
Generally SC people use the surname bhowmick in hindu religion. Presently others also using.
Bengali Brahmin surname
Yes, Kushary is a Bengali brahmin's surname & Kushary is the original surname of Thakur family.
Yes, They are brahmins and they perform worship also Therefore Nath's are Brahmin
Yes, Hazra is a common surname among Bengali Brahmins in India. It is typically associated with the Brahmin community in West Bengal.