(a) whether Raigarh-Gharghoda-Dharmjaigarh- Pathalgaon is presently the busiest route in Chhattisgarh due to use by several vehicles of various companies including SECL, NTPC etc.;
(b) if so, whether the said route has been upgraded to National Highway (NH); and
(c) if so, the details thereof; and
(d) if not, the time by which the said route is likely to be upgraded as NH?