The correct answer is: a) Sutlej.
The Ranjit Sagar Dam is a concrete gravity dam on the Sutlej River in the Indian state of Punjab. It is the largest dam in India by volume of concrete used. The dam was constructed between 1978 and 1985 and is named after Maharaja Ranjit Singh, the founder of the Sikh Empire.
The dam is used for irrigation, flood control, and hydroelectric power generation. It has a storage capacity of 9.34 cubic kilometers and an installed capacity of 1,000 megawatts. The dam has also created a reservoir called the Ranjit Sagar Lake, which is a popular tourist destination.
The other options are incorrect because:
- The Beas River is located in the Indian state of Punjab.
- The Ravi River is located in the Indian states of Punjab and Haryana.
- The Chenab River is located in the Indian states of Jammu and Kashmir, Punjab, and Haryana.