Hey Gokul, You can follow this itinerary if you decide to visit Kerala : Day0- Reach Kochi and visit Marine Drive at evening Day1- Local sightseeing of Kochi https://www.tripoto.com/trip/places-to-be-visited-in-kochi-5bd813d850839 After visiting these places go to Munnar via cab or bus ( stop for waterfalls en route to Munnar) Day2- Local sightseeing of Munnar - Eravikulam National Park, Rose Garden, Mattupetty dam, Photo Point, Echo point and Tea factory. Day3- Take a bus or cab to Thekkady from Munnar. Visit spice gardens en route to Thekkady. Things to do in Thekkady - Elephant safari, Kathakali show and Kalaripayattu show. Day 4 - Thekkady to Alleppey or Kumarakom. You can also go to Allepay from Kumarakom by houseboat. Try local Toddy drink and do houseboat ride in Kumarakom or Allepay. You can go to the beach in Allepay. Day5- Return to Kochi from Kumarakom or Allepay. https://www.tripoto.com/trip/delicacies-of-kerala-5bd72244aabdb And if you decide to visit Karnataka then follow this route : Bangalore -> Mysore ( 144KM, 3 Hours ) Mysore -> Coorg ( 150KM, 3 Hours ) Coorg-> Wayanad ( 110KM, 2.5 hours ) Wayanad -> Ooty ( 140Km, 3 Hours ) Ooty -> Bangalore ( 370KM, 7.5 Hours ) Spend one night In Coorg, one night in Wayanad and one in Ooty. Happy travelling!!!!!!