Some points:- 1. When driving on Kerala roads, expect non-stop oncoming traffic. Don't get flustered and think of tricky overtaking maneuvers, just be prepared and accept the low average speeds. 2. I guess you must be already aware about the Ooty - Masinagudi descend. It's a tricky stretch, so exercise caution. You might require help from your co-passenger to check left, so seat an adult next to you. 3. Hope you planned time for shopping. Carry extra cash, you can buy loads of stuffs in Kerala. 4. In case you have time, you can check the Kerala eateries thread to find out the recommended food joints on the places you are going to visit. 5. And last, plan a comfortable speed for four lane highways and 2 lane country roads. A relaxed comfortable drive will make everybody comfortable and the whole drive comfortable. It's better to visit 3 places in peace than to visit 5 in hurry. Have a great trip and don't forget to share photos!