(a) whether the Government has data of people having Vitamin D deficiency in the country, if so, the details thereof, State/UT-wise including Tamil Nadu;
(b) whether the Government is aware of huge number of cases of Vitamin D deficiency being reported/identified in the country;
(c) if so, the details thereof and the reasons therefor;
(d) whether the Government has conducted any study to assess normal values of Vitamin D besides the criteria for normal values set by the Western World; and
(e) if so, the details thereof and if not, the reasons therefor?