Explanation:

Only codes 1&2 are correct.

The Keoladeo National Park, a World Heritage Site which was previously the private duck shooting preserve of the Maharaja of Bharatpur, designated as bird sanctuary on 13 March 1956 and a National Park on 10th March 1982 was included in the World Heritage List in 1985.

• It was also notified as Ramsar Site in October 1981.
• Far from being a wetland, Sambar is now a Ramsar site number 464 under the Ramsar Convention on Wetlands.

The Sambhar Salt Lake, once a large saline lake fed by four rivers set in a shallow wetland, is dangerously close to extinction.

Anand Sagar Lake, also known as Bai Talaab, is an artificial lake in present-day Banswara district, Rajasthan.

• It was constructed by Jagmal Singh of Banswara for his Queen Lanchi Bai.
• It is not a Ramsar Site.

Rajsamand Lake (also known as Raja Samudra Lake) is a lake near the town of Rajsamand in the Indian state of Rajasthan.

• It was built across the Gomti river which originates from Sewantri, Kelwa and Tali rivers.
• It is not a Ramsar Site.

Hence option 2nd is correct.