He gave the management of the Kamakhya Temple to Krishnaram, who came to be known as Parbatiya Gosain, as his residence was on top of the Nilachal hill.

[1] Siva Singha is said to have established such an elaborate system of espionage during his reign that he had accurate information of everything that was done or spoken in the kingdom.

[3] After the successful expedition, he had constructed embankments(Garhs) and Duars(gates)to control the maurading tribes of northern hills.

In 1722, his spiritual guides and astrologers predicted that his rule would shortly come to end in near future, due to the consequences of chatra-bhanga-yoga.

That he not only made many lavish presents to various temples and the Brahmins, in hope of conciliating the gods and averting the calamity but also endeavor to satisfy the alleged decree of fate by a subterfuge that greatly diminished his prestige in the eyes of his people.

Therefore at the suggestion of Parvatiya Gosain, consented to endow his chief queen Phuleshwari, a Nat by caste, with the supreme vest, who assumed the name Pramatheswari and the title of Bar Raja.

Learning that the Sudra Mahantas were strong Vaishnavites and opposed animal sacrifice, she held a Durga puja in the capital Rangpur and forced Moamoria and several other Gosains to offer oblations to the goddess and smeared sacrificial blood on their foreheads.

[7] The two successors of Phuleshwari, Ambika and Sarbeswri wielded the same authority and power as her, but were however not as energetic as their predecessor in patronizing Saktism.

[8] It was during his reign that Hinduism became the predominant religion among Ahoms, and those who persisted in holding old tribal beliefs and customs came to be regarded as a separate degraded class.

[10] During Siba Singha's reign, the chief public works were the construction of Dhai Ali and the tanks and temples at Gaurisagar, Sibsagar and Kalugaon.

It was recorded that in 1739, four Europeans, whose names appear to have been Bill, Godwin, Lister, and Mill, visited King Siva Singha at Rangpur.

Foreign musicians were invited into his country to instruct his own and the Monarch became the author of a large collection of pious songs.