(a) whether according to India Meteorological Department (IMD) the frequency of severe heat waves had increased sharply in the past fifteen years;
(b) if so, the details thereof and the reasons therefor;
(c) whether average frequency of severe heat waves has doubled and if so, the details thereof;
(d) whether between 2010 and 2016 too, heat waves showed an upward trend; and
(e) if so, the details thereof?