Section 50(3) in The Central Motor Vehicles Rules, 1989
(3)[ The registration mark shall be exhibited in two lines, the State code and registering authority code forming the first line and the rest forming the second line, one below the other:[Provided that the registration mark in the front may he exhibited in one one line in case, in 200mm x 100mm size plate, there is no sufficient space to exhibit the registration mark in one line, the alpha numeric of the registration mark shall be displayed as under:] [Added by GSR 338(E), dated 26.3.1993 (w.e.f. 26.3.1993).](i)where the total number of alpha numeric characters in the registration mark is even, then, equal number of alpha numeric character in each line; and(ii)where the total number of alpha numeric characters in the registration mark is odd, then any extra alpha numeric character shall be exhibited on the second line,and all dimensions shall be maintained as per rule 51 without disturbing security features in the plate:Provided further that in models of vehicles having no sufficient provision at the rear to exhibit the registration mark in two lines, it shall be sufficient if in such vehicles registration mark is exhibited in a single line:Provided further that registration mark on a light motor vehicle may be in the centre with illumination.
