With the inception of the Transport Department [ erstwhile known as Home (Transport Department ) under the Govt. of West Bengal, in 1962, the Officers such as Motor Vehicle Inspector ( Technical / Non-Technical), Additional Regional Transport Officer and Regional Transport Officer were appointed under the Transport Department, with a definite purpose to generate Revenue by implementing and enforcing the provisions of the M.V. Act, Central M.V. Rules, W.B.M.V. Tax Act & Additional Tax Act and W.B.M.V. Rules in all the Districts including Kolkata as well as to look after the General Administration of the Motor Vehicle Offices in the state. Since then this Department of the Government has been successfully discharging all its duties and over the years it has established its importance as one of the most potential Revenue earning Departments of the Government.
The Motor Vehicle Department generally consists of four types of Officers namely: Motor Vehicle Inspector (Technical), Motor Vehicle Inspector (Non-Technical), Additional R.T.O. and R.T.O.
The Officers from the first two cadres are considered for promotion to the post of the Addl. R.T.O, only after completion of Six years of minimum service and depending on the number of the vacancies available.