Correct Answer: (e) Udakbhog
Solution:In ancient India, the irrigation tax was known as 'Udakbhog.' Hiranya was the cash tax in the Mauryan period. The land tax was called Udrang in Gupta inscriptions. 'Uparnika' was the tax on farmers living on the land. The term Bidakhbhagam referred to the irrigation tax collected by the monarchs in ancient India. This tax was collected as a share of the produce generated from the land irrigated by the government-owned canals or wells.