Q. Which river is a left bank tributary of the Nag River in Nagpur?
Answer: Pioli River
Notes: Pioli River, originating near Lava-Dhaba in Nagpur, is a left bank tributary of the Nag River. It is about 16.7 km long and plays a key role in the city's drainage. The river faces pollution issues and is being rejuvenated by the Nagpur Municipal Corporation.