Inside the fort there is a Kalyana Mahal, which has a pyramid like sturcture at the top, built in Indo-Islamic style. It is very beautiful and it attracts the hearts of the visitiors. The mahal is so wonderful in its structures and has rooms for women's stay, a pond of three square meter, built with curved verandahs, with windows, stair cases on either side of each floor. Moreover terracotta pipes are fixed on the inner wall of the mahal for water to come in.

A panorama of the Kalyana Mahal besides just right centre of the Gingee fort. The Kalyana Mahal, perhaps the living quarters of the queens. Also the Gingee For had an eight-storeyed Kalyana Mahal (marriage hall), granaries, prison cells, a military gymnasium and a temple dedicated to its presiding Hindu goddess called Chenjiamman. The fortifications contain a sacred pond known as Aanaikulam.

Inside the Rajagiri Fort, the Kalyana Mahal Mohammed Khan Mosque Elephant tank Servants room and Royal Palace Magazine Gymnasium Granery Venugopala Swami Temple are located. In the top of the Rajagiri Fort, we have seen the Balaranganathar Temple Pond and Mandapa Kamalakanni Amman temple Ranganathar Temple Bell tower / Watch tower Cannon Draw Bridge. Around the Rajagiri Fort, we can see Architecture of Jumma Mosque Temple of Seven Maidens Funeral place of Desing Raja Chakkarai Kulam (Tank) Anjaneyar Temple Prisoners' well Chetty kulam (Tank) Venkataramana Temple Gate way of Pondicherry Sad-Ullah Khan Mosque Gate way of Vellore Temples of Lord shiva and Amman Shrine.

In AD 1677 Chatrapati Shivaji the great Maratha ruler had captured Gingee. The Marathas under Shivaji strengthened the fortress at the expense of the surrounding villages and once again made it impregnable. It remained under the Maratha rule till about AD. 1691, when the generals under the Mughal emperor Aurangazeb captured the Fort.

Another historic building is the mosque of Sadat - Ullah Khan with Persian inscriptions which record that the mosque was built in AD 1717 - 18.

On the Krishnagiri hill there are also two large granaries, stepped wells, an audience hall, two temples and an unique structure known as Hawa Mahal.

In the recent archaeological excavations, the Archaeological Survey of India, Chennai Circle had unearthed a ruined palace complex with finely polished royal throne and an audience hall. The stepped tank with a unique and innovative fountain system utilizing terracotta pipes would have kept the pleasure house cool even during the hottest of days.

Places inside Rajagiri fort
Kalyana Mahal Mohammed Khan Mosque Elephant tank Servants room and Royal Palace Magazine Gymnasium Granery Venugopala Swami Temple