(a) the total revenue earned by the Railways from non-fare and non-freight activities, and its percentage during the last three years and the current year;
(b) whether the Railways proposes to earn additional revenue by granting permission for large scale advertising on trains and if so, the details thereof along with the number of trains selected under the said scheme;
(c) whether the Government also proposes to introduce or allow trolleys with or without advertisements at platform and if so, the details thereof ; and
(d) the amount of revenue likely to be earned through the said scheme annually?