(a) whether the Government are aware that the roads in Goa on National Highways are constructed with tarcol hot mix by 3 c.m. thickness instead of 7 c.m. which is approved by Union Government;
(b) if so, whether any survey has been conducted to check the thickness of the roads in various States of the country;
(c) whether the Government have directed to all States to implement the Government direction in this regard;
(d) if not, the details thereof;
(e) whether any action has been taken against guilty officials and contractors for using less thickness in constructing the National Highways roads; and
(f) if so, the details thereof?