The three words which were added in the preamble to the Constitution of India by the 42nd Constitutional Amendment Act 1976 are :
A. socialist, secular and integrity
B. sovereign, secular and socialist
C. sovereign, republic and democratic
D. sovereign, secular and republic
Answer: Option A

1. sovereign refers to the independent authority of a state
2. Socialist refers to the economic and social equality in a country
3. Secular has been inserted in the preamble by the constitution (42nd Amendment) Act, 1976