After breakfast, drive down to Mumbai harbour to proceed for Elephant Caves, 9 km south west island in the harbour. See the huge rock cut temple of Lord Shiva there. In the afternoon, proceed for city tour of Mumbai via Gateway of India, Prince of Wales Museum, Mani Bhawan and nearby iconic beaches. Overnight at hotel.
This morning, drive to Alleppey (70 km / 1 hr) and board houseboat, one of the most awaited experiences in Kerala. This moving Kettuvallam will take you to the narrow canals of Vembanad Lake. You can enjoy natural beauty of Kerala while sailing through the canals. Overnight onboard.
In the morning, begin tour of Cochin via a visit to Mattancherry Dutch Palace, Jewish Synagogue and Chinese Fishing Nets along side Fort Kochi etc. In the afternoon, transfer to the international airport to board the flight for onward destination.