Freelance Cartoonist Aseem Trivedi Section 66A of the IT Act,

In September 2012, a freelance cartoonist Aseem Trivedi was arrested under the Section 66A of the IT Act, Section 2 of Prevention of Insults to National Honour Act, 1971 and for sedition under the Section 124 of the Indian Penal Code. His cartoons depicting widespread corruption in India were considered offensive.

On 12 April 2012, a Chemistry professor from Jadavpur University, Ambikesh Mahapatra, was arrested for sharing a cartoon of West Bengal Chief Minister Mamata Banerjee and then Railway Minister Mukul Roy. The email was sent from the email address of a housing society. Subrata Sengupta, the secretary of the housing society, was also arrested. They were charged under Section 66A and B of the IT Act, for defamation under Sections 500, for obscene gesture to a woman under Section 509, and abetting a crime under Section 114 of the Indian Penal Code.

On 30 October 2012, a Puducherry businessman Ravi Srinivasan was arrested under Section 66A. He had sent tweet accusing Karti Chidambaram, son of then Finance Minister P. Chidambaram, of corruption. Karti Chidambaram had complained to the police.

On 19 November 2012, a 21-year-old girl was arrested from Palghar for posting a message on Facebook criticising the shutdown in Mumbai for the funeral of Bal Thackeray. Another 20-year-old girl was arrested for "liking" the post. They were initially charged under Section 295A of the Indian Penal Code (hurting religious sentiments) and Section 66A of the IT Act. Later, Section 295A was replaced by Section 505(2) (promoting enmity between classes).A group of Shiv Sena workers vandalised a hospital run by the uncle of one of girls.On 31 January 2013, a local court dropped all charges against the girls.

On 18 March 2015, a teenaged boy was arrested from Bareilly, Uttar Pradesh, for making a post on Facebook insulting politician Azam Khan. The post allegedly contained hate speech against a community and was falsely attributed to Azam Khan by the boy. He was charged under Section 66A of the IT Act, and Sections 153A (promoting enmity between different religions), 504 (intentional insult with intent to provoke breach of peace) and 505 (public mischief) of Indian Penal Code. After the Section 66A was repealed on 24 March, the state government said that they would continue the prosecution under the remaining charges.

Criticisms
Section 66A and restriction of free speech From its establishment as an amendment to the original act in 2008, Section 66A attracted controversy over its unconstitutional nature: