(a) the reasons why the Southern Railways is not providing basic toilet facilities in all the Suburban stations from Chennai to Chengalpattu and also from Thiruvottriyur to Chennai;
(b) whether toilets have been proposed in this financial year for the above Suburban railway stations and if so, the details thereof;
(c) the details of railway stations in India which do not have basic toilet facilities as on date along with the reasons for the same; and
(d) whether there are any proposals to construct toilets in all railway stations and if so, the date and timeline in this regard?