In which year was the postage stamp issued by the Government of India on the Bani-Thani painting style of Kishangarh, due to which it got fame all over the country?

In which year was the postage stamp issued by the Government of India

1.	In which year was the postage stamp issued by the Government of India on the Bani-Thani painting style of Kishangarh, due to which it got fame all over the country?
A.	on May 1972
B.	on May 1973
C.	on May 1974
D.	Of June 1975
Answer» C. on May 1974