(a) whether the main reason for train accidents is attributed to cracks in the railway lines and disjoint of welding;
(b) if so, whether the Government have conducted any survey in this regard;
(c) if so, the details of cracks developed in rail lines;
(d) whether the Government conducted regular testing of these cracks;
(e) if so, the instrument used for this purpose along with its capacity;
(f) whether the Government are contemplating to purchase automatic ultrasonic rail testing cars (spart cars) for detecting the incidents of cracks developing in rail lines and disjoint of welding
(g) if so, the number of such cars proposed to be purchased; and
(h) the total expenditure estimated to be incurred thereon?