1. Chaitya – Solid stone stoopas were made by cutting the hills for the purpose of worshipping and such places of worship were known as Chaityas. Chaityas are worship places associated with Buddhism.
2. Vihar – Those places which are made in the caves for the residence of Buddhist Bhikkhus by cutting the hills are known as Vihars. Vihars were two or three storeied structures. Apart from residing here, the sages studied, meditated and discussed with each other over important topics.
