1) Ganga River → Ganga is the national river of India. 2) Lotus → Lotus is the national flower of India. 3) Lion → Lion is the national animal of England. 4) Banyan Tree → Banyan tree is the national tree of India. Ganga river, Lotus and Banyan tree are the national symbols of India while Lion is the national animal of England. Hence, Lion is the odd one out.