"राजीव गांधी राष्ट्रीय भूजल प्रशिक्षण आणि संशोधन संस्था" या शहरामध्ये आणि या राज्यामध्ये स्थापित आहे.

The correct answer is Option B (Raipur, Chhattisgarh).

Key Points:
• Institute Overview: The Rajiv Gandhi National Ground Water Training and Research Institute (RGNGWTRI) is the premier capacity-building institution in the field of groundwater management in India.
• Location: It is situated at Raipur, Chhattisgarh (specifically in Naya Raipur).
• Administrative Ministry: Operates under the Central Ground Water Board (CGWB), Department of Water Resources, River Development and Ganga Rejuvenation, Ministry of Jal Shakti.
• Key Function: Provides specialized training and research to hydrogeologists, engineers, researchers, and administrators on aquifer mapping, artificial recharge, and sustainable groundwater utilization.
• Other Options: Nagpur, Maharashtra houses the National Environmental Engineering Research Institute (NEERI).
• Key Takeaway: Rajiv Gandhi National Ground Water Training and Research Institute is located at Raipur, Chhattisgarh.