(a) the time by which Calcutta -Allahabad National Waterway through Farakka is likely to be opened to passenger and goods traffic;
(b) whether the siltation problem at the mouth lock channel at Farakka has come to the notice of the concerned authorities; and
(c) if so, whether the Inland Waterways Authority of India and the Central Inland Waterways Transport Corporation are still entrusted with the job of dredging the channel; and
(d) if so, the details thereof ?