भाखरा-नांगल प्रकल्प राज्यांशी संबंधीत आहे.

The correct answer is Option C (Punjab, Haryana, Rajasthan).

Key Points:
• Bhakra Nangal Multipurpose Project: It is one of India's earliest and largest multipurpose river valley projects, constructed across the Satluj River in Himachal Pradesh/Punjab.
• Beneficiary Partner States: The project is a historic joint venture of three states: Punjab, Haryana, and Rajasthan.
• Key Dam Infrastructure: It comprises two primary dams: the Bhakra Dam (a 226-metre high concrete gravity dam) forming the massive Gobind Sagar reservoir, and the Nangal Dam located downstream.
• Benefits: Provides extensive irrigation to millions of hectares in northwest India and generates substantial hydroelectric power administered by the Bhakra Beas Management Board (BBMB).
• Historical Context: Pandit Jawaharlal Nehru famously referred to Bhakra Dam as the "New Temple of Resurgent India".
• Key Takeaway: The Bhakra Nangal multipurpose project on the Satluj River is a joint venture of Punjab, Haryana, and Rajasthan.