Batta n. : Extra pay; esp. an extra allowance to an English officer serving in India.

Batta n. : Rate of exchange; also, the discount on uncurrent coins.

Example:
What kind of fish can live with a Batta?

Taxonomy
Batta, village, allowance, free encyclopedia, Hajja, North India, Indian military, family name, India, Khatri, Indian, the Arab, Palestine, Anglo-Indian, military term, soldiers, Indian caste system, search.

Defination from the web:
Batta is an Anglo-Indian military term, probably derived from the Canarese bhatta (rice in the husk), meaning a special allowance of pay made to ... The amount and circumstances of batta given were complex and made up a substantial amount of the pay received by soldiers. ...