In October 1814, Major General Sir Rollo Gillespie of British army had advanced along side 3,500 troops and eleven pieces of cannon to occupy the Nepali territories located between the Ganges and Yamuna rivers within the Gharwal and Kumaon regions that had been occupied by the Nepali forces. Captain Balabhadra Kunwar had maintained his position at a 400 cubits high hill during a place called Nalapani, located north-east of Dehradun, to see his advance. On Kartik 8, 1871, Bikram Samvat (October 1814), British troops entered Dehradun. A battle happened between British and Nepali troops at Nalapani on Kartik 10, 1871 B. Samvat.