Mezue ahịrịokwu na-esonụ: Singh gara Royal Air Force College Cranwell mgbe ọ dị afọ iri na itoolu ma gụchaa akwụkwọ na 1939. O sonyere na No. 1 Squadron IAF ma jee ozi na North-West Frontier Province. N'oge Agha Ụwa nke Abụọ, o duziri ndị agha a n'oge
Arakan Campaign ma nye ya ihe nrite nke Distinguished Flying Cross. N'afọ 1945, ọ gara ụlọ akwụkwọ RAF Staff College, Bracknell. Mgbe nkewa nke India na 1947, o duru ụgbọ elu mbụ nke Royal Indian Air Force (RIAF) ụgbọ elu n'elu Red Fort na Delhi. O wee nye iwu na ọdụ ụgbọelu, Ambala na ọkwa Group Captain. N'afọ 1950, mgbe ọ gụsịrị akwụkwọ na ngalaba ndị ọrụ na Joint Service Defence College, Latimer, Buckinghamshire, e buliri ya n'ọkwa nke Air Commodore ma weghara Ọchịchị Ọrụ. Ọ bụ ya bụ onye isi ndị ọrụ na-ahụ maka ọrụ agha n'oge abụọ. N'afọ 1958, e buliri ọkwa ahụ ka ọ bụrụ onye isi ndị ọrụ ụgbọelu na ọkwa nke Air Vice Marshal.