Desilting is also progressing in Buckingham Canal at 18 locations, Cooum River at 14 locations, and internal canals in Coimbatore, Trichy, and Madurai, according to the MAWS Department Secretary. Desilting is also progressing in Buckingham Canal at 18 locations, Cooum River at 14 locations, and internal canals in Coimbatore, Trichy, and Madurai, according to the MAWS Department Secretary.