Complex sentence: In 1891 the division was composed of the three districts of Kumaon, Garhwal and the Tarai; but the two districts of Kumaon and the Tarai were subsequently redistributed and renamed after their headquarters, Nainital and Almora.
Split into simpler sentences: In 1891 the division was composed of the three districts of Kumaon, Garhwal and the Tarai. The two districts of Kumaon and the Tarai were subsequently redistributed and renamed after their headquarters, Nainital and Almora.