 The founder of modern Nepal, Prithvi Narayan Shah attacked and finally captured the hill fort in a surprise attack on September 26, 1744.The Malla king Jaya Prakash Malla made one final attempt to get victory over Nuwakot the following year after Malla forces under Kasi Ram Thapa had defeated the Gorkha army at Naldum.However, the Gorkha army was able to repel the attack and secured Nuwakot as a permanent fort under Gorkha control.