Kanbajia or Ahirwar surname is an Indian last name. Kanbajia or Ahirwar surname also indicates the caste of person. Kanbajia or Ahirwar surname definition is Same as Kanaujia. Subcaste of Chamar.. People with Kanbajia or Ahirwar surname can also be found in other south asian countries like Pakistan, Bangladesh, Nepal and Sri Lanka. Kanbajia or Ahirwar 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.