(a) whether the Government proposes to make Euro-IV norms mandatory for all types of
motor vehicles in the country;
(b) if so, the details thereof;
(c) whether any instance of violation of vehicle emission norms has come to the notice
of the Government in recent times;
(d) if so, the details thereof along with the action taken in this regard; and
(e) the steps taken or being taken by the Government to ensure strict compliance of
vehicle emission norms throughout the country?