The correct answer is (c). The Bhakhra-Nangal multipurpose project is a joint venture of Punjab, Haryana and Rajasthan. It is a major irrigation and hydroelectric project on the Sutlej River in India. The project was completed in 1963 and has a total installed capacity of 1,320 MW. It is one of the largest irrigation projects in India and provides irrigation to over 1.2 million hectares of land in Punjab, Haryana and Rajasthan. The project also generates 1,320 MW of electricity, which is supplied to the northern grid of India.
Option (a) is incorrect because the Bhakhra-Nangal multipurpose project is not a joint venture of Punjab and Haryana only. It is a joint venture of Punjab, Haryana and Rajasthan.
Option (b) is incorrect because the Bhakhra-Nangal multipurpose project is not a joint venture of Punjab and Himachal Pradesh only. It is a joint venture of Punjab, Haryana and Rajasthan.
Option (d) is incorrect because the Bhakhra-Nangal multipurpose project is not a joint venture of Punjab, Haryana, Rajasthan and Himachal Pradesh. It is a joint venture of Punjab, Haryana and Rajasthan only.