 In 1806 A.D., the combined forces of Gurkhas and local hills chiefs attacked the forces of Raja Sansar Chand in the battle and forced a crushing defeat on him along with family took shelter in the Kangra fort.The Gurkhas sieged the Kangra fort and ruthlessly looted the area between the fort of Kangra and Mahal Mohrian and virtually destroyed the villages.The siege of the fort continued for three years.