Where is the largest FTW in India?

The largest Float Treatment Wetland is at the Neknampur Lake in Hyderabad. 

The size of the FTW is 3,000 sq. ft. It has been formed by the joint efforts of Dhruvansh, the Hyderabad Metropolitan Development Authority, the Ranga Reddy district administration and other organisations.

For more relevant articles refer to the links given below:

• UPSC Environment and Ecology Questions
• Conservation of Biodiversity
• UPSC Environment and Ecology