Koonthamkulam needs better focus 

One of the largest coastal wetland regions east coast of Tamil Nadu which invites scores of international migratory birds, is still remains  without much focus. There is  a wetlands convention signed in Ramsar in Iran in 1971 and later adopted by India in 1982 does not have Koonthamkulam listed in it! The lone Point Calimere   listed  should be expanded to include the bird sanctuary of Koonthamkulam

According a wikipaedia entry, Koonthankulam Bird Sanctuary or Kunthankulam is a 1.2933 km² (0.4993 sq mi) protected area declared as a sanctuary in 1994. It adjoins the tiny village of Koonthankulam in Nanguneri Taluk of Tirunelveli district, Tamil Nadu, India. It is just 38 km away from Tirunelveli (a bustling town on the banks of the Tambaraparani River). 8.58102°N 77.76123°E It is composed of Koonthankulam and Kadankulam irrigation tanks, conveniently linked by tar road. This is the largest reserve for breeding water birds in South India. 

Point Calimere Wildlife and Bird sanctuary  19/08/02. Tamil Nadu. 38,500 ha. 10°19'N 079°38'E. Wildlife Sanctuary.