(a) whether the workforce of Railways has decreased during each of the last three years and the current year;
(b) if so, the details thereof, Zone-wise and the reasons therefor along with the number of vacancies of Group A, B, C and D that are lying vacant in Railways, Category and Zone-wise;
(c) the impact of COVID-19 pendemic on the workforce of Railways;
(d) whether the Government has conducted any study on the impact of such decrease of workforce on railway services being provided by the Railways to their passengers; and
(e) if so, the details and outcome thereof and if not, the reasons therefor?