(a) whether the average power generation capacity of thermal power sets manufactured by the Bharat Heavy Electricals Limited is comparatively more;
(b) if so, the details thereof;
(c) the average capacity of power generation in the country which are being utilised by the National Thermal Power Corporation at present;
(d) whether the Government propose to replace the thermal power sets; and
(e) if so, the number of phases in which this process is likely to be completed?