(a) the total number of production units of the Indian Railways, name-wise;
(b) the details of the performance of production units of Indian Railways during the last five years and the current year;
(c) the income earned through these production units in the last three years;
(d) the total number of employees working in all these production units;
(e) if so, whether the Government has any new futuristic plan for the progress of production units of Indian Railways; and
(f) if not, the reasons therefor?