Explanation:

Recently, the Singapore Army and Indian Army participated in Exercise Bold Kurukshetra which was held at Jodhpur Military Station, India.

• It was the 13th edition of Exercise Bold Kurukshetra, a bilateral military exercise between India and the Singapore army.

• For the first time in the exercise series, both armies participated in a command post Exercise, which involved Battalion and Brigade level planning elements and computer wargaming.

• Hosted by the Indian Army, the exercise involved soldiers from the 42nd Battalion, Singapore Armoured Regiment and an Armoured Brigade of the Indian Army.

• It involved an understanding of mechanised warfare in emerging threats and evolving technologies, developing inter-operability through a computer simulation-based Wargame using joint operational and tactical procedures controlled through a joint command post.

Hence option 2nd is correct.