In the tail of Cauvery delta, this region is fed with seven major tributories via. Nattar, Vanjiar, Noolar, Arasalar, Thirumalairajanar, Pravidaiyanar, and Nandalar. From the tail-end regulators of constructed/proposed in the above rivers. A separate Division for Irrigation is controlled by the Public Works Department.
Road and Bridges
Karaikal is an important point in the II Phase of the proposed East Coast Road. With the Assistance of the World Bank, Western and Eastern Bye-Pass for Karaikal & T.R.Pattinam has been proposed, which will be part of the National Highway NH 45-A Extension. All French regime bridges will be proposed to be reconstructed. All the works have proposed and executed by a separate Division of the Public Works Department.
Separate Housing facilities for Scheduled Castes, Fishermen community have been provided. Government Employees Housing Quarters also developed. Apart from the Pondicherry Housing Board,, in Cooperative Sector, the House Building Society has also cater the need of the public.