Nilmoni Singha Dev was the last king of Singha Dev dynasty. He had two wives, Churamoni and Prasanyamoyee. Nilmoni died in 1904. He got a son by Churamoni who died in his early age. At that time the British rulersstrictlybannedfiring of a cannon. Nilmoni Singha Dev's only son Ramchandra Singha Dev died at 19 years of age in 1903.