(a) whether the Government proposes to clean major national highways passing through high density areas by vacuum cleaning mechanisms in the country to curb pollution;
(b) if so, the details and the aim and objectives thereof;
(c) whether any study to find out the feasibility and viability of such mechanism has been conducted by the Government so far;
(d) if so, the details thereof; and
(e) the time by which it is likely to be operational on various National Highways in the country?