The Rajah, perceiving that resistance was unavailing, sued for peace, and a treaty was concluded on the 4th of March; on the 9th of that month the battalion commenced its return to Bengal, and arrived at Amowah on the 22nd of March, where it was cantoned until the 30th of June, on which day it commenced its march to Govingunge on the river Gonduck, and embarked in boats in progress to Cawnpore; on the 17th of August, the battalion arrived at Jangemowe, within a few miles of Cawnpore, but did not disembark at the latter station, until the 10th of September. About this period the battalion became very sickly from being so long confined in boats; the hospital list amounted to about four hundred and eighty, exclusive of numbers who could not be admitted for want of room. Not less than one hundred and fifty men died in this and the following month, when the cold weather coming on, in a great measure, renovated the corps. [Sidenote: 1817.] On the 6th of February 1817, the regiment marched from Cawnpore towards Hattrass, which fortress the Commander-in-chief had given instructions to Major-General Marshall to besiege: the division from Cawnpore arrived before Hattrass, and joined the field army, on the 20th of February. The pettah of the fort of Hattrass having been breached, it was resolved to storm on the evening of the 25th of February, and accordingly his Majesty’s Fourteenth regiment was appointed for that duty, and the EIGHTY-SEVENTH to cover; however, the breach being found impracticable, the troops returned to their lines, but the pettah was evacuated during the night, and taken possession of on the following morning by the British troops; batteries were immediately erected against the fort, which was heavily bombarded with shells and rockets: at length the principal magazine blew up on the 2nd of March, the explosion of which was said to be distinctly heard at Meerut, nearly two hundred miles distant. Dya Ram, Rajah of the fortress, having determined on abandoning it, most gallantly cut his way through some of the piquets of the besieging army, and effected his escape. On the morning of the 3rd of March, the right wing of the EIGHTY-SEVENTH marched into and took possession of the fortress of Hattrass, which was reduced to a mass of ruins. On the 8th of March the regiment commenced its return to Cawnpore. In July and August the EIGHTY-SEVENTH regiment, in Bengal, was increased by a detachment of thirteen serjeants, three drummers, and two hundred and sixty-nine rank and file, men who had been transferred on the second battalion being disbanded on the 1st of February 1817.