(a) whether there has been a decline in the number of train accidents;
(b) if so, the details of the accidents during each of the last three years and the current year;
(c) whether it is also a fact that there has been rapid decrease in the number of deceased and injured persons due to train accidents and if so, the details thereof;
(d) whether the safety measures including speedy track renewal ultrasonic rail detection system, elimination of several unmanned level crossings, etc. are proposed to be taken on priority basis and if so, the details thereof; and
(e) the further measures being taken by the Government to increase rail safety in the country and avoid future train accidents?