Hi Niranjana, Some of places you can visit on your trip to Kerala are:
Hill stations: Munnar and Thekkady
Backwaters destination: Alleppey houseboat and Cochin cruising
Beach destination: Kovalum's Lighthouse beach
Wild life sanctuary ride: Periyar Lake cruising I have attached an article for you to have a better insight:
Hi heavy mansoon here try to come after august
What is ur plan here if u want to travell all around or to selected spots, I can help u
please give me ur journey details