At the time of adoption, in 1887, he was only six years old, therefore, the Court of Wards along with the Diwani-i-Raj, Ban Bihari Kapoor, (the natural father of Bijaychand), ruled the estate up to 1902.

[4] In 1899, Bijay Chand Mahtab passed the entrance examination of Calcutta University, and was the first in the Raj family to obtain a formal educational qualification.

A pompous coronation was organised in the palace at Bardhaman, where Lieutenant Governor Bourdillon was present to bestow the honour.

[4] In 1903, he invited the Governor General Lord Curzon to the Bardhaman palace and to commemorate the event constructed a gate now known as Curzon Gate in Gothic style, which is a major landmark of Burdwan today and stands at junction of Bijaychand Road and Grand Trunk Road.

He risked his life to save that of Sir Andrew Fraser, lieutenant-governor of Bengal, when an attempt to assassinate him was made by Indian nationalists on 7 November 1908.

[additional citation(s) needed] In 1914, he was appointed as one of the members of the committee that investigated in to riots of Budge Budge and Komagata Maru incident[8] In 1924, he was one of the members of a committee headed by Sir Charles Todhunter, which looked into taxation reforms in British India, which submitted its report in 1925.

However, with the India's independence gaining momentum it was evident that the days of zemindars and princely states were coming to an end.

From amongst the twenty books he wrote, mention may be made of Impression, The Indian Horizon, Meditation, Studies, Vijaygitika (collection of songs composed by him), Troyodashi (poem), Ranjit (play), and Manaslila (science-play).