Through which of the following amendment act were the words "Socialist, secular and integrity" added to the Preamble?

Correct option is C

The correct answer is (c) 42nd Constitutional Amendment Act, 1976
Explanation:
. The 42nd Constitutional Amendment Act, 1976 added the words “Socialist”, “Secular” and “Integrity” to the Preamble of the Indian Constitution.
. This amendment was enacted during the Emergency period (1975–1977).
. It was passed under the government led by Indira Gandhi.
. The objective was to reflect the ideological orientation of the Indian State.
. Due to its extensive and wide-ranging changes, it is known as the “Mini-Constitution”.
Information Booster:
. “Socialist” emphasizes social and economic justice and reduction of inequalities.
. “Secular” denotes equal respect for all religions and state neutrality.
. “Integrity” highlights the unity and integrity of the nation.
Additional Knowledge:
38th Constitutional Amendment Act, 1975 (Option a)
. The 38th Amendment strengthened provisions related to Emergency powers.
. It made the President’s satisfaction final in certain matters.
. It did not amend the Preamble.
39th Constitutional Amendment Act, 1975 (Option b)
. The 39th Amendment dealt with disputes regarding the election of high constitutional offices.
. It placed such disputes outside the jurisdiction of courts.
. It did not add any words to the Preamble.
43rd Constitutional Amendment Act, 1977 (Option d)
. The 43rd Amendment repealed some Emergency-era provisions introduced by the 42nd Amendment.
. It restored the jurisdiction of the Supreme Court and High Courts.
. It did not introduce the words “Socialist, Secular, Integrity” into the Preamble.