Khring Khring Baitho Puja, Baithow Puja or Khring Khring Baithaw Puja is a traditional religious festival celebrated by the Sonowal Kachari people, an indigenous ethnic group of Assam, India. It is an annually celebrated agricultural religious festival that marks the beginning of the Sonowal Kachari people's New Year. The festival is observed at the 'Baitho Than' temple, and is accompanied by devotional songs called 'Haidang'. The festival is observed on the second Sunday of the Shukla Paksha of Phaguna month of Assamese calender and continues over several days, beginning with Deo Namawa on Sunday, followed by Mul Puja on Monday, Bihu Namawa on Tuesday, and Baghdeo Puja on Wednesday.