Updated Feb 15, 2021 | 13:03 IST The upgraded Arjun Mark-1A Main Battle Tank is widely regarded as India's response to the Russian-made T-90S 'Bhishma' tanks that currently form the bulk of India's armoured vehicle regiments. PM Modi handing over the indigenously-developed Arjun Main Battle Tank (Mark 1A) to the Indian Army in Chennai.  |  Photo Credit: PTI Key Highlights As per latest reports, the Defence Ministry had recently approved the induction of 118 Arjun Mark 1A tanks into the Indian Army at a cost of Rs 8,400 crore Compared to the earlier version, the Mark 1-A boasts an improved gunner sight, fitted with automated target tracking capabilities