happy pongal muggulu. Thai Pongal is one of the most important festivals celebrated by Tamil people in the Indian state of Tamil Nadu, the Indian Union Territory of Puducherry, and the country of Sri Lanka, as well as Tamils worldwide. The day marks the start of the sun's six-month-long journey northwards (the Uttaraayanam). This also corresponds to the Indic solstice when the sun purportedly enters the 10th house of the Indian zodiac Makara or Capricorn. Thai Pongal is mainly celebrated to convey appreciation to the Sun God for a successful harvest