Correct Answer: Option B — Chambal Valley Project. Chambal Valley Project is correctly identified as it is jointly associated with Madhya Pradesh and Rajasthan. Chambal Valley Project is also associated with Gandhi Sagar, Rana Pratap Sagar and Jawahar Sagar are major dams in the system. Another identifying fact about Chambal Valley Project is that Gandhi Sagar, Rana Pratap Sagar and Jawahar Sagar are major dams in the system. A further exam-relevant fact about Chambal Valley Project is that the project provides irrigation and hydroelectric power. Why the other options are incorrect: Option A — Bhakra Nangal Project: Bhakra Nangal Project is Bhakra Dam is located in Bilaspur district of Himachal Pradesh. Bhakra Nangal Project is also associated with it supplies irrigation and power to Punjab, Haryana and Rajasthan. Option C — Damodar Valley Project: Damodar Valley Project is it operates mainly across Jharkhand and West Bengal. Damodar Valley Project is also associated with Damodar Valley Corporation was established in 1948. Option D — Hirakud Project: Hirakud Project is Hirakud Dam is near Sambalpur in Odisha. Hirakud Project is also associated with it supports irrigation and hydroelectric generation. Exam Takeaway: Connect Chambal Valley Project with “it is jointly associated with Madhya Pradesh and Rajasthan” and “Gandhi Sagar, Rana Pratap Sagar and Jawahar Sagar are major dams in the system” for revision.