Singh hailed from Uttarakhand.
The funeral pyre was lit by his elder brother Gurmit Singh and the Colonel's son Ranveer Singh.
A host of distinguished people attended the funeral, including Pradesh Congress President Kishore Upadhyay and BJP MLA Madan Kaushik.
58 Armoured Brigade of the Army offered him a guard of honour before the funeral pyre was lit.
A floral wreath sent by Uttarakhand Governor K K Paul was also placed.