After a short while, some palace officials conspired and proclaimed his younger brother Narendraprakash as the ruler of the north-eastern part of the kingdom.

[1][2]In 1737, Narabhupal Shah of Gorkha attacked Nuwakot but was quickly defeated by Jayaprakash Malla.

[1][4] When Prithvi Narayan Shah attacked Nuwakot, a protectorate of Kantipur, Jayaprakash sent troops under Kashiram Thapa.

The battle occurred in 1746 where Kashiram Thapa lost the war and Jayaprakash Malla thought of deceit.

[9] He contributed to the literature of Nepal Bhasa with works such as "Padma Samuchaya" and three dramas that were concerned with Hindu mythology being Ratneshwar Pradurbhav, Birdhwojopakhyan Natakam and Bhairavpradurbhav.