sentences:  The other regiments are 1 GR, 3 GR, 4 GR, 5 GR (FF), 8 GR and 11 GR.The history of the 9th Gorkha Rifles dates back to 1817, when it was raised as the "Fatehgarh Levy".In 1823, it was renamed the "63rd Regiment", and was formed as a regular unit as part of the Bengal Native Infantry.