Banka surname is an Indian last name. Banka surname also indicates the caste of person. Banka surname definition is A small caste found principally in the Kalahandi State which now forms part of Bengal. The caste was formed from military service like the Khandaits Paiks and Marathas and some families bear the names of different castes as Brahman Banka Kumhar Banka and so on. They were formerly notorious freebooters but have now settled down to cultivation. Each man however still carries a sword or knife on his person and in Kalahandi they are permitted to do this without taking out a licence.. People with Banka surname can also be found in other south asian countries like Pakistan, Bangladesh, Nepal and Sri Lanka. Banka surname definition is from a survey conducted during British rule in India. Many surnames in India indicate the type of work done by the person or by someone in family from whom the family inherited the surname. Surnames help spread casteism in India. One of the intellectuals suggested to drop surnames in India so that people can overcome caste differences easily.