Chilika is the largest brackish water lake in Asia and also the second largest lake in the world. Chilika is situated between 19º28' and 19º54' North latitude and 85º05' and 85º 38' East longitude. A mix of estuarine, marine and freshwater ecosystem is observed here and the lagoon has a long history of sustainable fishing.

The wetlands to the east of Kolkata comprises of many water bodies from north and south 24 Parganas. The hydrological setup of these wetlands is completely different from any other wetland in India. There is no catchment for these water bodies and perched aquifer is found to occur below these water bodies at depth greater than 400 feet.
 

Subhash Dutta has been trying to draw the attention of the authorities to the steadily escalating civic problems in Howah since 1980. The focal point of his crusade has been the ‘killing’ of water bodies. The Samiti has filed a dozen PIL in the Calcutta HC, seeking intervention.

Deepar beel is one of the largest and most important riverine wetland in Assam's Brahmaputra valley. It is Located between Latitude: 26° 05' 'North to 26° 11’ North and Longitude: 91º 35’ East to 91º 43’ East. Deepar beel covers an area of 40.14 sq km and varies in depth from approx.

Sola beel, one of the notable wetlands of Guwahati city, is situated near Paltan Bazaar. It has been identified as a large water storage beel (lake). The beel once provided a habitat for a large number of flora and fauna and receives rainwater from nearest hills and plains. Sola beel consists of the Barsola and the Sarusola.

Hyderabad has a glorious tradition of tanks built by its ruling dynasties. It owes its many lakes—that stored and supplied water for drinking and irrigation to its citizens—to the Qutab Shahi (1564-1724AD) and the Asaf Jahi (1724-1948 AD) rulers. The first of these was Hussain Sagar, built on a tributary of the Musi River in 1562.

Hussain Sagar Lake is one of the largest man made lake situated at the confluence of Hyderabad, Secunderabad and Begumpet. It is a sprawling artificial lake that holds water perennially. Its uniqueness lies in the fact that it connects the twin cities of Hyderabad and Secunderabad. The lake was built in the year 1575 by Sultan Ibrahim Kutb Shah at a cost of about Rs. 2.5 lakhs.

Kolleru Lake is the largest freshwater lake and is located in Andhra Pradesh. Kolleru is located between Krishna and Godavari delta and covers an area of 308 km².  The lake serves as a natural flood-balancing reservoir for these two rivers.