The word 'Secular' was inserted into the Constitution of India by

 a) 44th Amendment Act
 b) 42nd Amendment Act
 c) 52nd Amendment Act
 d) 34th Amendment Act

NDA-2015

42nd Amendment Act. The words “secular”, “socialist” and “integrity” were added to the Preamble in 1976 by the then government, through the 42 Amendment Act.