Nagercoil, July 07: Union Minister of State for Urban Development Pon Radhakrishnan, today said he has written a letter to the External Affairs Minister Yashwanth Sinha, seeking action for the immediate release of mechanised boats belonging to fishermen, seized by the Sri Lankan authorities. He said here in a statement that arrangements had been made for the release of some of the boats owned by fishermen from Tamil Nadu. He said Rs 700 crore had been allocated by the Centre for providing drinking water supply to rural areas of the country. Out of this amount a sum of Rs 48.69 crore had been earmarked for Tamil Nadu. Bureau Report