(a) the validity period of Pollution Under Control (PUC) certificate for vehicles;
(b) whether the Government has taken note of the problems being faced by the vehicle owners
to get their vehicles under PUC certificate on quarterly basis;
(c) if so, whether the Government has any proposal to increase the validity period and if so,
the details thereof;
(d) whether a number of pollution checking centres are not adequately equipped with required
standards;
(e) if so, whether the Government has issued any directions to the States to upgrade the
equipment at pollution checking centres and if so, the details thereof; and
(f) whether the said directions are being complied with by the States and if not, the action
taken by the Government in this regard?