There is two copper-plate inscriptions of Ratna Pala, known as the Bargaon and the Sualkuchi grants.
Rajeswar Singha also promoted cause of the Saiva cult by constructing the Manikarnesvaar Temple (1755), making financial provision for the Sukreswar Temple (1759), and by constructing the Siddhesvara Temple at Sualkuchi (1764).
Apart from Sualkuchi / Xualkuchi, the centre for the traditional silk industry, in almost every parts of the Brahmaputra Valley, rural households produce silk and silk garments with excellent embroidery designs.