I cannot get a tie of a Steel in 1911 census at the address on MIC. 1st Bat Royal Sussex Regt was in India throughout the war, and I suspect that is how the Indian Army commission came about
1918 Aug 15 . Commissioned 2nd Lt in Indian Army
1921 Sep 1. Gazetted out as Lt
1921 Jan 17. Joined ADRIC with service no 1533.
1921 Feb 18. Promoted Section Leader in N Coy.
1921 Jul 16. Resigns on completion of 6 months service