was the second Shah King of ModernNepal. He was the eldest son of Prithvi Narayan Shah, the king who first unified Nepal. Pratap Singh Shah ruled from 1775 to 1777 and died due to natural causes. He was succeeded by his two-year-old son Rana Bahadur Shah. As king he did not actively participate in the unification campaign led by his father, but the boundaries of Nepal kept extending as his uncle Prince Bahadur Shah continued the unification campaign durin his reign.