Wetlands are vital sponges in the city. They prevent flood and recharge groundwater. Along with being an aesthetic entity, they provide social, economic and environmental beneficiaries. They improve the quality of water and also sustain the surrounding diverse flora and fauna (aquatic and wild life habitat). Being rich in nutrients, they provide a diverse and productive ecosystems for the natural environment to survive.
Wetlands have always been critical for Indian cities. Every city gave its land for rain.