The 2nd Battalion landed at Marseille as part of the Bareilly Brigade in the 7th (Meerut) Division in October 1914 for service on the Western Front. It took part in the defence of Givenchy in December 1915 and then moved to Mesopotamia later that month and saw action during the siege of Kut in Spring 1916, the fall of Baghdad in March 1917 and the Battle of Istabulat in April 1917. It transferred to Palestine in January 1918 and took part in the Battle of Megiddo in September 1918.