You can plan to visit these places on your own. They are much in and around Kerala, except for Aadiyogi statue which is in Coimbatore. You could either use bus service or book a cab and plan to cover three to four places a day. Will share a tripoto link written by a traveller pertaining to their travel to Kerala see if it is suitable for your travel. https://www.tripoto.com/kerala/trips/all-you-need-to-know-about-planning-a-6-day-budget-trip-to-kerala Cab cost might range between 10k to 12k. If you are travelling by bus cost comes down, however many places might not have direct buses to the spot.