Thanumalayan temple. Krishnancoil is 1,5 km away from Nagercoil, on the road to Thiruvananthapuram.; The Nagaraja Temple (from which Nagercoil derives its name) has Nagaraja as its principal deity. The devout traditionally offer milk to this "King of Snakes". Suchindrum and the Thanumalayan Temple are located about 6 km from the city centre. …