What is Deepavali ? During the Lunar Month of Karthika, when the Full Moon occurs during the Pleiades, the brilliant lights of Pleaides gets reflected in the millions of Grand Lights below. This is the First Festival of Lights, a grand Festival at Thuravoor and the Second Festival of Lights is when millions of Lights shine, near the Winter Solstice, Karthika Deepam or Trikkarthika ! Thrikarthika Jathi Tirumaril, Oru Keertana Malika chartham Njan ! Ee Prarthana Kelkoo Parvathiye Kadampuzha Vaazhum Paranidhiye …………..