High Quality Content by WIKIPEDIA articles! It the only strike corps in Army's Poona-based Sorthern Command. After India's intervention in Sri Lanka, the provisional HQ controlling India's expeditionary force became XXI Corps based at Bhopal. This is both a strike corps and would also be used if India were to make another big intervention overseas. The 31st Indian Armoured Division was an armoured formation of the Indian Army during World War II, formed in 1940, as 1st Indian Armoured Division; it consisted of units of the British Army and the British Indian Army. When it was raised it consisted of two Armoured Brigades (1st and 2nd Indian Armoured Brigades) and one Motor Brigade (3rd Indian Motor Brigade).