National Technology Day is celebrated on:

 a) April 11
 b) May 11
 c) June 21
 d) August 22
KWA-Operator-2016

May 11.
National Technology Day is celebrated every year on May 11 to commemorate the history of India’s technological innovations and excellence. The day holds significance as India successfully tested nuclear bombs in Pokhran on May 11, 1998.