The government sanction letter for the Academy was issued on 27 April 2011. The first batch of training of Technical Entry Scheme (TES) and Special Commission Officers (SCO) entries commenced from 18 July 2011 and the Academy was formally inaugurated by Gen VK Singh, the then Chief of Army Staff on 14 November 2011. These entries were previously trained at Indian Military Academy, Dehradun. The ‘commissioning’ of OTA Gaya was solemnised by hoisting of the OTA Flag by Lieutenant General K Surendra Nath, PVSM, AVSM, VSM, the then GOC-in-C, Army Training Command (ARTRAC) along with Lt Gen Vijai Sharma, PVSM, VSM, the first Commandant.