(a) whether the construction work of four laning road between Kishanganj and Purnia in Bihar under the Golden Quadrilateral Scheme has come to a standstill for the last several months;
(b) if so, the reasons therefor;
(c) whether the National Highways Authority of India has decided to black list the companies engaged in the construction work of the said road; and
(d) if so, the estimated cost of the said road and the funds allocated therefor alongwith the funds spent thereon?