PONGGOL LEMBU a chetti festival WHY? Ponggol Lembu is a series of the Ponggol Celebration to commemorate the Spirit of the Cow (Chetti: Lembu). WHEN? Usually celebrated during the early part of the year in February. WHERE? Usually celebrated during the early part of the year in February. Cows were brought in to be blessed in Muthu Mariamman temple Kg Chetti