visit the official site of Nehru Trophy.....

while browsing I found this official site of Nehru trophy.....
http://nehrutrophy.nic.in

this site provides lots of information which included this "how to reach"...

080 Km. South of Cochin International Airport – 70 minutes journey by NH 47
062 Km. South of Kochi – An hour drive from Kochi by NH 47
170 Km. North of Kovalam – 3 ½ hours journey by NH 47
155 Km. North of Trivandrum – 3 hours journey by NH 47
125 Km. West of Thekkady – 3 hours journey by road
050 Km. West of Kottayam – 1 hour journey by road


a very useful site....