The books of Prof Nagaswamy, Percy Brown and Ananda Coomaraswamy are recommeded reference

As humans settled down in large cities, there was a need to establish order in governance which gave rise to Artha Shastra, need for entertainment gave rise to Natya Shastra and the need for worshipping divinity

Utasavas were done with Utsava Murti who is taken out of the temple into the town and to doorstep of devotees. This ensures that common people can also involve themselves in rituals for the deity. Regular and seasonal experiences of humans, like marriage are also offered to the deities

Druma means tree. Drumila meant a region abundant in trees. The word Dravida is derived from Drumila. It was abundant in trees and there were thick forests.

The Grabha Graha is divided into several mandalas and many deities are invoked. The temple does not represent a single purpose and therefore various deities, Siddhas, devas and asuras are also invoked. All characteristics are needed in the temple, e.g enemies have to be warded off, material requirements of people have to be fulfilled etc. Therefore deities representing sattva, rajas and tamas may all be invoked.

Cow, Horse, Lion and Crocodile are common shapes of the Pranala. A Pranala is not shaped like a horse

Mahavishnu deity was gifted to Vibhishana by Srirama. He was not supposed to place it on the ground till he reached Sri Lanka but by mistake he did. That place is Srirangam. Vishnu fell in love with the place and refused to go to Sri Lanka with Vibhisnana. But he gave a  promise to Vibhishana that he would look over the kingdom. Since Sri Lanka is to the south of India, the reclining deity of Ranganathaswamy faces south in Srirangam.

Paribhogika Datu refers to the articles used by Buddha or a Bhishu. Physical remains are called Saririka Datu and Miniature Stupa is called Uddesika Datu.

This is the Nandi Vahana Mantapa of the Virupaksha Temple at Pattadakal. Nandi Mantapas are generally open on all four sides.

Rig Veda explains the mahatmayam of Prayaga or Ganga and Yamuna rivers. Teerthsnaanam at Prayag fetches Swarga as well as Moksha. Matsyapuranam mentions that teerthayatra is for all humans. Vaman Puranam mentions that teerthayatra gives punya to seven generations of ancestors and descendants and to themselves.

Kedarnath is not part of the Panchakaashi group of teerthas. It is one of the Char Dhams, one of the Panch Kedars and is also a Jyotirlinga

Kailasanatha temple at Kancheepuram

Pattadakal has several examples of both Dravida and Nagara styles of temples. Mahabalipuram has many examples of Dravida style of temples

Just like the neck connects the head to the rest of the body, the antharala connects the Garbha Gruha to the rest of the Devaalaya

Vesara Vimaana are a blend of both pronounced horizonal and vertical lines. No corners should be visible from outside. Vimaana should look like the backside of an elephant. Garba Gruha is circular from inside.