Q. In ancient Indian Buddhist Monasteries a ceremony called Pavarana used to be held. It was the 

1. occasion to elect the Sanghaparinayaka and two speakers one on Dhamma and the other on Vinaya
2. confession by monks of their offences committed during their stay in the monasteries during the rainy season
3. ceremony of initiation of new person into the Buddhist Sangha in which the head is shaved and when yellow robes are offered
4. gathering of Buddhist monks on the next day to the full-moon day of Ashadha when they take up a fixed abode for the next four months of rainy season