(a) the total kilometers optical fibre cable has been laid down by Railways (Railtel Corporation) to link metros as on date;
(b) the total kilometres optical fibre cable are likely to be laid down and the time by which the whole work is likely to be completed;
(c) the total expenditure likely to be incurred thereon along with the expenditure incurred so far in this regard, zone- wise; and
(d) the extent to which the railways are likely to be benefited from this project?