PVSM, AVSM, YSM
General VK Singh is the recipient of Param Vishisht Seva Medal (or PVSM), Ati Vishisht Seva Medal (AVSM) and also the wartime Yudh Seva Medal (YSM) for distinguished service while commanding a counter-insurgency force. On 11 March 2011, Singh was inducted into the United States Army War College (Class of 2001 graduate) International Fellows Hall of Fame. He is the 33rd International Fellow and the first Indian Armed Forces officer to be inducted.
Param Vishisht Seva Medal (PVSM) is a military award of India. It was constituted in 1960 and since then till 1980, it was awarded in recognition to peace-time service of most exceptional order.
Ati Vishisht Seva Medal (AVSM) is a military award of India given to recognize “distinguished service of an exceptional order” to all ranks of the armed forces.
The award can also be granted posthumously. Subsequent awards are represented by a bar worn on the ribbon. The awardee can use “AVSM” as post-nominal letters.
Yudh Seva Medal (YSM) is one of India’s military decorations for Wartime Distinguished Service. It is awarded for a high degree of distinguished services in an operational context. “Operation context” includes times of war, conflict, or hostilities. The award is a Wartime equivalent of Vishisht Seva Medal, which is a Peacetime Distinguished Service decoration. Yudh Seva Medal may be awarded posthumously.