Christmas Carol in Thrissur – Kerala – Festivals carols christian christmas carol festivals india kerala religion thrissur by Kerala Photos - December 27, 2013May 23, 2016 Largest Christmas Carol in India - Thrissur, Kerala Buon Natale word means Merry Christmas. Buon Natale programme held in Thrisur was the largest Christmas carol ever held in India. Buon Natale rally started from Sacred Heart School. The rally started at 4 pm. The Buon Natale end at St. Thomas college