 The regiment was posted to India in 1754 and saw action at the Battle of Chandannagar in March 1757 during the Seven Years' War.Under the command of Major Eyre Coote, the regiment played a major part in capturing the fort of Katwa at the Battle of Plassey in June 1757.The regiment returned to Ireland in autumn 1758 and was engaged in the Great Siege of Gibraltar in 1779 and the following three years.