(a) whether at present, 80 per cent of coaches in service are old and if so, the details in this regard;
(b) whether the Railways is not only launching new trains but also refurbishing old coaches and if so, the details thereof;
(c) the expenditure incurred/likely to be incurred thereon;
(d) whether any target has been fixed by the Government in this regard; and
(e) if so, the details thereof and the plan prepared and the progress made so far in this regard?