In which case the Supreme Court of India struck down Section 66A of the Information Technology Act,2000 as unconstitutional?

Correct option is A

The correct answer is (a) Shreya Singhal Case 

Explanation:
• In the landmark judgment of Shreya Singhal v. Union of India, delivered on March 24, 2015, the Supreme Court of India struck down Section 66A of the Information Technology (IT) Act, 2000.
• The court ruled that Section 66A, which provided punishment for sending "offensive" messages through communication services, was unconstitutional as it violated the fundamental right to freedom of speech and expression guaranteed under Article 19(1)(a) of the Constitution.
• The court found the terms used in the section to be vague and overbroad, potentially stifling legitimate expression. 

Information Booster:
• The judgment is a major victory for free speech online in India.
• The court also upheld the constitutionality of Section 69A of the IT Act, which gives the government powers to block websites. 

Additional Knowledge:
(b) Champakam Dorairajan Case: .
• This 1951 case was about reservations in educational institutions and led to the First Amendment to the Constitution, not the IT Act. 

(c) Sarala Mudgal Case: .
• This 1995 case dealt with the issue of bigamy and the need for a Uniform Civil Code. 

(d) Indira Sawhney Case: .
• The 1992 Indira Sawhney case (Mandal Commission case) dealt with the constitutional validity of reservations for Backward Classes in government jobs.