(4) Hardoi Explanation: The Terai is a belt of marshy grasslands, savannas, and forests located south of the outer foothills of the Himalaya, the Siwalik Hills, and north of the Indo-Gangetic Plain of the Ganges, Brahmaputra and their tributaries. In northern India, the Terai spreads east-ward from the Yamuna River across Himachal Pradesh, Haryana, Uttaranchal, Uttar Pradesh and Bihar. Hardoi district is a part of Lucknow division