137Power of Central Government to make rules.

The Central Government may make rules to provide for all or any of the following matters, namely:--
(a) the occasions on which signals shall be made by drivers of motor vehicles and such signals under section 121;
¹[(aa) providing for the standards of protective headgear and measures for the safety of children below the age of four years riding under section 129;]
(b) the manner in which the licences and certificates may be produced to the police officer under section 130.
¹[(c) providing for limits of urban city by the State Governments under sub-section (1) of section 136A; and
(d) providing for electronic monitoring and enforcement under sub-section (2) of section 136A.]