Explanation:

Musi is a tributary of Krishna river. So, D is wrong.
Major left-bank tributaries of Ganges include Gomti, Ghaghara, Gandaki , and Kosi; major right-bank tributaries include Yamuna, Son, Punpun and Damodar.
The Source of Ganges lies in Gangotri Glacier, Satopanth Glacier, Khatling Glacier, and waters from melted snow from such peaks as Nanda Devi, Trisul, Kedarnath, Nanda Kot, and Kamet in Uttarakhand.