ORDER

After hearing counsel for the parties and learned Amicus Curiae, for reasons indicated separately, in exercise of the power of this Court under Article 32 read with Article 142 of the Constitution of India, we hereby give the following directions, namely:

A. The police and all other authorities entrusted with the administration and enforcement of the Motor Vehicles Act and generally with the control of the traffic shall ensure the following:

(a) No heavy and medium transport vehicles, and light goods vehicles, being four wheelers would be permitted to operate on the roads of the NCR and NCT, Delhi, unless they are fitted with suitable speed control devices to ensure that they do not exceed the speed limit of 40 KMPH. This will not apply to transport vehicles operating on Inter-State permits and national goods permits. Such exempted vehicles would, however, be confined to such routes and such timings during day and night as the police/transport authorities may publish. It is made clear that no vehicle would be permitted on roads other than the aforementioned exempted roads or during the times other than aforesaid time without a speed control device.

(b) In our view the scheme of