Central Government Act
Section 8A(1) in The Motor Vehicles Act, 1939
(1) Any person holding a driving licence issued under this Chapter who is not for the time being disqualified for holding or obtaining a driving licence may apply in Form AA as set forth in the First Schedule, to the licensing authority having jurisdiction in the area in which he ordinarily resides or carries on business or, if the application relates to a licence to drive as a paid employee, in which the employer resides or carries on business, for the addition of another class of motor vehicle to the licence.