Explanation:

Ramsar Convention is a convention on wetlands that was signed in 1971 in the Iranian city of Ramsar.

The negotiations for the convention started in the 1960s by the different countries and NGOs for the protection of wetlands and their resources.

 Finally, it came into force in 1975.

There are 46 Ramsar Sites in India listed under Ramsar Convention.

The convention works on three pillars that define the purpose of the Ramsar Convention:

Wise Use – To work towards the wise use of all wetlands

List of Wetlands of International Importance – Designate suitable wetlands under the Ramsar List to effectively manage those

International Cooperation – To bring cooperation internationally over the transboundary wetlands, shared wetland systems and shared species.