(a) whether the PCO facility at railway stations has been discontinued across the country and if so, the details thereof along with the reasons therefor;
(b) whether most of these booths were being run by the differently- abled persons and if so, the details thereof;
(c) whether the Railways propose to initiate any scheme for selling mobile recharge vouchers in place of these PCO booths; and
(d) if so, the details thereof including the criteria laid down for the purpose particularly with regard to differently-abled persons?