(a) whether any scientific evidence has shown that Amarnath Yatra could be undertaken throughout the year;
(b) if so, whether the Government is considering to extend the period of Amarnath Yatra considering the number of devotees visiting the shrine;
(c) if so, the details thereof and the time by which it is likely to be extended; and
(d) the steps taken/being taken by the Government to improve the facilities for smooth conduct of the Yatra?