• (A) Sawai Jai Singh translated Euclid’s Elements of Geometry in Amber in Sanskrit
• (B) Sultan Tipu in Mysore funded the construction of the idol of Goddess Sharda at the Sringeri temple
• (C) Ali Mardan Khan introduced revenue farming system in Bengal
• (D) Maharaja Ranjit Singh set up modern foundries for the manufacture of guns in Lahore