The 18th Infantry were an infantry regiment of the British Indian Army

British Indian Army

The British Indian Army, officially simply the Indian Army, was the principal army of the British Raj in India before the partition of India in 1947...

. They could trace their origins to 1795, when they were called the Calcutta Native Militia. Over the years they were known by a number of different name The Alipore Regiment in 1859, the 18th Bengal Native Infantry in 1861, the 18th (Alipore) Bengal Native Infantry in 1864, the 18th Regiment of Bengal Native Infantry in 1885, the 18th Musulman Rajput Infantry in 1902. Finally following the Kitchener reforms

Kitchener Reforms

The Kitchener Reforms of the Indian Army began in 1903 when Lord Kitchener of Khartoum, newly appointed Commander-in-Chief, India, completed the unification of the three armies of the former Presidencies , and also the Punjab Frontier Force, the Hyderabad Contingent and other local forces, into one...

 of the Indian Army the 18th Infantry.

They took part in the Third Anglo-Burmese War

Third Anglo-Burmese War

The Third Anglo-Burmese War was a conflict that took place during 7–29 November 1885, with sporadic resistance and insurgency continuing into 1887. It was the final of three wars fought in the 19th century between the Burmese and the British...

 in 1885 and World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

. During World War I they were part of the Derajat Brigade

Derajat Brigade

The Derajat Brigade was formed after the 1903 reforms of the British Indian Army by Herbert Kitchener when he was Commander-in-Chief, India. The brigade was part of the Northern Army and deployed along the North West Frontier...

 and took part in operations on the North West Frontier. After World War I the Indian government reformed the army again moving from single battalion regiments to multi battalion regiments. The 18th Infantry now became the 4th Battalion 9th Jat Regiment

9th Jat Regiment

The 9th Jat Regiment was an infantry regiment of the British Indian Army. It was formed in 1922, after the Indian government reformed the army, moving from single battalion regiments to multi battalion regiments.-World War II:...

. In the reorganisation of 1922, this unit became the Regimental Centre located at Bareilly. The other active battalions of the Jat Regiment formed were from the erstwile Bengal (Ist and 3rd battalions) and Bombay (2nd (Mooltan) battalion) armies. The Jat Regimental Centre, to-day, has an unbroken history since raised as the Calcutta Native Militia, to protect East India Company's assets, in 1795. After independence this was one of the regiments allocated to the new Indian Army

Indian Army

The Indian Army is the land based branch and the largest component of the Indian Armed Forces. With about 1,100,000 soldiers in active service and about 1,150,000 reserve troops, the Indian Army is the world's largest standing volunteer army...

.