Image source- The Indian express
There are two very important articles are there:
a.       Article 13 of constitution of India[1], and
b.      Article 368 of constitution of India.[2]
 
Article 13 serve as the protector of the fundamental rights and article 368 holds the power to amend the constitution.
On 16 October 2015, the National Judicial Selection Commission (NJAC) was quashed by the Supreme Court, rejecting the constitutional committee’s 99th amendments act because it undermined judicial independence and thereby breached the fundamental structure doctrine.
In India, Parliament can amend any constitutional provisions and is empowered under Article 368 of the Constitution itself, but cannot change or modify the basic structure of the Constitution.
In the constitutional amendments, the doctrine of basic structure applies only to those states that the basic features of the indigenous constitution cannot be destroyed or altered by the parliament. Such attributes include (1) legislative dominance. (2) The democratic and republican government. (3) The constitution’s secular character. (4) Power division. (5) The constitutional federal character.
a.      Important supreme court cases on doctrine of basic structure
a.       Shankari Prasad v. UOI (1951): – the parliament has power to amend any part of the constitution under article 368 of COI.
b.      Sajjan Simgh v. State of Rajasthan (1965): –the parliament has power to amend any part of the constitution under article 368 of COI.
c.       Golak Nath v. State of Punjab (1967): –the parliament has no power to amend Part III of COI i.e. fundamental rights.
d.      Keshvanand Bharati v. State of Kerala (1971): – Parliament can amend any provisions, but can’t dilute basic structure.
e.       Indira Gandhi v. Raj Narayan (1975): –the supreme court reaffirmed the concept of the basic structure
f.        Minreva Mills v. UOI (1980): – The concept of basic structure was further developed by adding ‘judicial review’ and the ‘balance between FR and DPSP’s.
 
g.       Kihoto Hollohan v. Zachillhu (1992): – in the basic structure free and fair elections were added.
h.      Indira Sawhney v. UOI (1992): – in the basic structure the rule of law was added.
i.     S.R. Bommai v. UOI (1994): – The fundamental features were reiterated in the federal structure, unity and integrity of India, laicism, socialism, social justice and judicial review.
b.      Conclusion
Then we see that over the years from its origins in the 1970s a basic structure as an idea developed, with each past year the right to be incorporated into the basic structure of the Constitution has become more and more apparent. Consequently, the fundamental structure, as we see today, ends long periods of legal oversight of rights and a related constitutional structure. We have proved that the “right line,” given the substantiated opposition, constitutes a summit of judicial judgment to pick the best in the law buffet and safeguard it. The distillation of the Centre for Natural, Human Rights and Fundamental Rights under the Indian situation is thus an essential structure. As we have shown, the judiciary has never been able to check what basic framework leaves the definition so vague as to have plenty of space for movement.

[1]Article 368 in The Constitution Of India 1949, Indiankanoon.org (2020), https://indiankanoon.org/doc/594125/ (last visited Jun 8, 2020).
[2] Article 13 in The Constitution Of India 1949, Indiankanoon.org (2020), https://indiankanoon.org/doc/134715/ (last visited Jun 8, 2020).
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