<P> After his succession to the throne, he planned to begin a unification campaign by attacking Nuwakot in 1800 B.S. He sent Gorkhali troops, under Kaji Biraj Thapa, to attack Nuwakot . Biraj Thapa waited at Khinchet by the side of Trishuli River for an appropriate time to launch the attack . Prithivi Narayan Shah didn't like the strategy of Biraj Thapa and even didn't trust him because of the fault of reporting Maheshwor Panta . So, he sent another Gorkhali troops again under Maheshwor Panta . The troops under Maheshwor Panta were defeated . </P> <P> After his conquest of the Kathmandu Valley, Prithvi Narayan Shah conquered other smaller territories south of the valley to keep other smaller fiefdoms near his Gurkha state out of the influence and control of British rule . After his kingdom spread from north to south, he made Kantipur the capital of expanded country which was known as Kingdom of Gorkha (Gorkha Samrajya). </P>

What was the condition of the kingdoms before the unification of nepal