They are odia brahmin, basically in odisha some surnames with Mallick are brahmin.
Mallick is a Surname found in Odisha. This Surname Belong to Khandayats.
They belong to Baisya Caste .
The surname use by Bengali Kayasthas. But In Side of Odisha and West Bengal use by Chasas.
SUDRA
teli
Baishnab
Das in bengali generally belong to SC.
Maity is part of the Mahishyas caste in Bengali. This caste bastes an Anglo-Aryan lineage and are generally found in West Bengali and Orissa.
absolutely no.
Banerjee's are bengali brahmins
no.