Q. Araghatta and Ghatiyantra are what kind of devices used in agriculture during the early medieval period?
Answer: Water-lifting devices
Notes: During early medieval period there were more and more sources of irrigation such as canals, lakes, cisterns, wells and stepped wells. The availability of water resources contributed to the expansion of cultivation and the intensification of agricultural activities. Water-lifting devices such as araghatta and ghatiyantra are mentioned in inscriptions and literary works.