Arjun is a main battle tank developed by India's Defence Research and Development Organization (DRDO), for the Indian Army. The tank is named for Arjun, one of the main characters in the Indian epic poem, the Mahabharata.
Delays and problems in its development from the 1990s to the 2000s prompted the Indian Army to order vast numbers of T-90S tanks from Russia to meet requirements that the Arjun had been expected to fulfill