(a) whether the Railways proposes rolling out new signalling system and if so, the details thereof and progress made so far, zone-wise;
(b) whether Renigunta – Yerraguntla section of the SCR and Vizianagaram – Palasa section of East Coast Railway were taken up in phase one and if so, the details thereof;
(c) whether the Government got approval from NITI Aayog and if so, the details thereof and if not, the reasons therefor; and
(d) whether the implementation of these new systems will improve safety, reduce congestion, increases the capacity and improve punctuality and if so, the details thereof along with work done in this regard?