(a) whether the Government has any proposal to convert the existing National Highways into concrete roads especially passing through urban areas for long durability to survive the heavy rain during monsoon season ;
(b) if so, the details thereof and the expenditure likely to be incurred thereon per kilometer;
(c) whether any such proposal has been submitted by the State Government of Kerala; and
(d) if so, the details thereof alongwith the action taken thereon?