[2] He was posthumously awarded the Ashoka Chakra, India's highest peacetime military decoration, by the then President, late K. R. Narayan, in January 2000.

[3] Sudhir was born on 24 May 1969 in Jodhpur Military Hospital, Rajasthan where his father Subedar Major Rulia Ram Walia was posted that time.

[5] Sudhir graduated from the Indian Military Academy and was commissioned as a second lieutenant in the 4th Battalion, The Jat Regiment on 11 June 1988.

[7] Walia was promoted as a captain on 11 June 1993,[8] and was awarded the Sena Medal in 1994 on two occasions for his gallantry while combating militancy in Jammu and Kashmir.

[9] He was later deputed as an Aide-de-camp (ADC) to the then Chief of the Army Staff (COAS), General Ved Prakash Malik.

Within ten days of his departure from Delhi, he led his team to capture Zulu Top at 5200 metres, in the Mushkoh Valley sector.

When asked about his attack on Zulu Top without needing to acclimatize, Major Sudhir said: "Sir, you know that I'm a pahari (from the mountains).