South Asia is home to many wetlands. In India alone there are 25 Ramsar sites, and neighbouring Pakistan counts 19 of them. Then there is one on the islands of the Maldives and three more on Sri Lanka. Moreover, Bangladesh has two Ramsar sites.
Below are the links to Ramsar Reports on each site differentiated per country, which provide detailed information on each site.
For more information there is the Ramsar online data base with details on all the worlds recognized Ramsar sites.