In 1976, the four battalions of the Academy were renamed after Field Marshal Kodandera Madappa Cariappa, General Kodandera Subayya Thimayya, Field Marshal Sam Manekshaw and Lieutenant General Premindra Singh Bhagat, with two companies each. On 15 December 1976, then President Fakhruddin Ali Ahmed presented new colours to the Academy. In the 1970s, the Army Cadet College (ACC) was shifted from Pune to Dehradun, becoming a wing of IMA. In 2006, the ACC was merged into IMA as the fifth battalion, the Siachen Battalion.