The New Indian Express. CUDDALORE: The Thudiyalur-Saravanampatti Road, an important arterial link connecting two major parts of Coimbatore, has been left in a dilapidated condition following underground drainage. The Tamil Nadu Water Supply and Drainage (TWAD) Board is executing the UGD project on behalf of the CCMC in several localities, including Kavundampalayam, Vadavalli, Thudiyalur, Saravanampatti.