There are many temples in the fort that are related to Hindu and Jain religions. The temples were built in 16th century by Rajput rulers.
Har Mandir
Har Mandir was a temple where royal people came to worship. They used to celebrate the festivals of Dussehra and Gangaur here. During the festival of Dussehra, the royal people used to worship weapons and horses. The deity worshipped in this temple was Lakshmi Narayan which is the combination of Lord Vishnu and his wife Lakshmi. Besides these, birthdays and marriage functions of the royal family were also arranged and celebrated here.
Ratan Behari Temple
The temple is also known as Krishna temple and was mainly used to worship Lord Krishna. The temple was built by the 18th ruler of Bikaner in 1846. The temple was built on the basis of Indo-Mughal architecture and white marble was used to build it.
Gaj Mandir
Gaj Mandir is a beautiful temple whose walls are beautifully decorated. There are carvings on the walls along with impressive designs. The panels of the temple are also very beautiful. Gaj Mandir was built by Maharaja Gaj Singh and he lived here with his wives Phul Kanwar and Chand Kanwar.