• Golaknath v. State Of Punjab, or simply the Golaknath case, was a 1967 Indian Supreme Court case, in which the Court ruled that Parliament could not curtail any of the Fundamental Rights in the Constitution. held in 1967.
• The 24th Constitutional Amendment was officially known as The Constitution Act, 1971, enables Parliament to dilute Fundamental Rights through Amendments of the Constitution.
• Keshvananda Bharati case held in 1973. Kesavananda Bharati case was the Kerala seer from Edneer Mutt, whose property rights were restricted and protested against in the Constitution (29th Amendment) Act 1972, arguing against the Kerala government's attempts under two-state land reform laws to limit the administration of the (mutt) properties.
• The 42nd Constitutional Amendment, 1976 changed the description of India from a "sovereign democratic republic" to a "sovereign, socialist secular democratic republic", and also changed the words "unity of the nation" to "unity and integrity of the nation".
  
  Hence, option A is correct.

The Following provisions regarding national emergency was enacted by the 44th Constitutional Amendment Act:

● Made the President to declare a national emergency only on the written recommendation of the cabinet.

● Made certain procedural safeguards with respect to national emergency and President's rule such as Periodic approval for further continuation by either House of the Parliament by special majority.

● The fundamental rights guaranteed by Articles 20 and 21 cannot be suspended during a national emergency.

Hence, Option C is correct.

The 86th amendment, 2002 inserted article 21A while it Changed the subject matter of Article 45 and 51A.

The Ninety-Second Amendment Act, 2003 included four more languages in the Eighth Schedule. They are Bodo, Dogri (Dongri), Maithili (Maithili) and Santhali. With this, the total number of constitutionally recognised languages increased to 22.

Goods and Services Tax (GST) regime was introduced by way of the 101st Constitutional Amendment.

The 97th constitutional amendment act, 2011 gave the constitutional status to the co-operative societies.

• This inserted a new part in the constitution: Part IX-B

• This part consists of Article between 243ZH to 243 ZT

• This included a new provision in DPSP – Article 43-B

• It made the right to form a co-operative society a fundamental right under Article 19.

Hence Option C is correct

The 52nd Amendment Act of 1985 provides for disqualification of members of Parliament and state legislatures on grounds of defection from one political party to another. To this end, it amended four articles of the Constitution and added a new schedule (Tenth Schedule) to the Constitution.  This act is often called as the ‘anti-defection law’. Hence, option C is correct.

THE CONSTITUTION (SIXTY-FIRST AMENDMENT) ACT, 1988 [28th March, 1989.] An Act further to amend the Constitution of India. BE it enacted by Parliament in the Thirty-ninth Year of the Republic of India as follows:- 1. Short title.- This Act may be called the Constitution (Sixty-first Amendment) Act, 1988. 2. Amendment of article 326.-In article 326 of the Constitution, for the words "twenty-one years", the words "eighteen years" shall be substituted. Hence option C is correct.

26th Amendment Act, 1971

• Abolished the privy purses and privileges of the former rulers of princely states.

42nd Amendment Act, 1976 (it is also known as ‘Mini-Constitution’)

• Added three new words (i.e., socialist, secular, and integrity) in the Preamble.

• Added Fundamental Duties by the citizens (new Part IV A).

• Added three new Directive Principles viz., equal justice and free legal aid, the participation of workers in the management of industries and protection of Environment, forests, and wildlife.

44th Amendment Act, 1978

• Empowered the President to send back once the advice of the cabinet for reconsideration. But, the reconsidered advice is binding on the president.

• Replaced the term ‘internal disturbance’ by ‘armed rebellion’ in respect of national emergency.

• Made the President declare a national emergency only on the written recommendation of the cabinet.

• Deleted the right to property from the list of Fundamental Rights and made it only a legal right.

61st Amendment

• Reduced the voting age from 21 years to 18 years for the Lok Sabha and state legislative assembly elections.