(i) Sittanavasal cave in Pudukkottai district is located on a prominent rock that stands 70 m above the ground.
(ii) It has a natural cavern, known as Eladipattam, at one end, and a rock-cut cave temple at the other.
(iii) The largest of these ascetic beds contains a Tamil-Brahmi inscription that dates to the 2^nd century B.C.
(iv) The Sittanavasal cave temple, named Arivar Koil, lies on the west off the hillock. The facade of the temple is simple, with four rock-cut columns.
(v) Constructed in the early Pandya period, in the 7^th century A.D., it has a hall in the front called the Ardha-mandapam.

(i) The Pali canon Tripitaka has three divisions, also known as the Threefold Basket. They include Vinaya Pitaka, Sutta Pitaka and Abhidhqmma pitaka.
(ii) Vinaya Pitaka contains the rules of the order of Buddist monks, which must be observed for achieving purity of conduct.
(iii) Sutta Pitaka lays down the principles of religion by citing discourses as evidence.
(iv) Abhidhamma Pitaka is the latest of the Tripitaka. It deals with ethics, philosophy and meta-physics.

The four noble truths of Buddha are : 
1 Life includes pain, getting old, disease, and  ultimately death.
2 Suffering is caused by craving and aversion .
3 Suffering can be overcome and happiness attained.
4 True happiness and contentment are possible, if one pursues the eight-fold path.

(i) The Jain acharyas (teachers) realised that it was extremely difficult to keep memorising the entire Jain literature compiled by the many scholars of the past and present.
(ii) In fact, significant knowledge was already lost and the rest was tampered with modifications. Hence, they decided to document the Jain literature as known to them.

Five Great Vows of Jainism are:
1. Non-violence - Ahimsa
2. Truth - Satya
3. Non-stealing - Achaurya
4. Celibacy/Chastity - Brahmacharya
5. Non-possession - Aparigraha.