Correct Option (d):
- Pair 3 is correctly matched. The Manas River is a significant right-bank tributary of the Brahmaputra River. It originates in the Himalayas of Bhutan and flows through Assam, India, before joining the Brahmaputra. The river basin is notable for the Manas National Park, a UNESCO World Heritage Site.
Incorrect Options:
- Pair 1: Chambal is incorrectly matched with Narmada. The Chambal River is a major tributary of the Yamuna River. It originates in the Vindhyan Range in Madhya Pradesh and flows through Rajasthan before joining the Yamuna in Uttar Pradesh. The Narmada River is a west-flowing river that drains into the Arabian Sea.
- Pair 2: Sone is incorrectly matched with Yamuna. The Sone (or Son) River is a major right-bank tributary of the Ganga River. It originates near Amarkantak in Madhya Pradesh and flows generally northeastwards to merge with the Ganga near Patna, Bihar. The Yamuna River itself is a major tributary of the Ganga.