The 4th Bombay Grenadiers were an infantry regiment of the pre-independence Indian Army, formed on 1 March 1922 as part of the reforms of the Indian Army that took place after the end of the First World War. Following this, the Regiment spent the next fifteen years serving in the British Somaliland protectorate in present-day northwestern Somalia, as well as in China and on the North-West Frontier. The 3rd, 4th and 5th Battalions were all disbanded and the 10th Battalion amalgamated with the 10th Battalion, Jat Regiment to form a Combined Training Centre at Bareilly. Following the Second World War they were one of the regiments allocated to the new Indian Army and renamed the The Grenadiers