Which period in precolonial India proved most beneficial from the point of view of women’s education in India?

Q. Which period in precolonial India proved most beneficial from the point of view of women’s education in India?
(a) 1835-1905
(b) 1870-1892
(c) 1893-1920
(d) 1921-1947
Ans: (d) 1921-1947