Using its constitutional powers under Article 324 of the constitution, the EC barred him from "holding any public meetings, public processions, public rallies, road shows and interviews, public utterances in media (print, electronic and social media) in connection with the ongoing elections for 72 hours (three days) from 6.00 am on April 16".
The EC acted against Mr Adityanath for his "Ali" and "Bajrang Bali" remarks while addressing a rally in Meerut on April 9.
The Supreme Court on Monday ticked off the Election Commission for being "toothless" in acting against politicians breaching the model code of conduct through hate speeches and appealing for votes in the name of religion and forced a chastised EC to impose a campaign ban on UP CM Yogi Adityanath, BSP chief Mayawati, Union minister Maneka Gandhi and SP leader Azam Khan.
The bench referred to submissions of the Election Commission that they can issue notices, then an advisory and finally lodge a complaint against an errant politician for violating the Model Code of Conduct for giving hate speeches during campaigns by invoking caste and religion.
The commission said the leaders are being penalised for their objectionable speeches.
The EC may have to explain on Tuesday how it chose to take action when Mayawati and Adityanath had not filed reply to the notices.
Ms. Mayawati said while she was penalised by the EC, the panel did not have the courage to issue notice to "real culprits" like Prime Minister Narendra Modi and BJP president Amit Shah whom she accused of violating the MCC through references to the Army and trying to incite religious feelings.
In a speech at a rally in Saharanpur's Deoband on April 7, Mayawati had appealed to Muslims to vote for the alliance and not divide their vote by supporting another political party. "The hurried nature of the action shows that it was taken under pressure".
Adityanath had made controversial remarks about the Muslim League and had dubbed them as a "green virus" while suggesting that Hindu and Muslim voters are facing off in a "Ali-Bajrang Bali" contest.
"The Commission observes that being the Chief Minister of a state, Yogi Adityanath has an added responsibility to not only uphold the basic tenets, including secularism, of the Constitution of India but also to display the same in his appearances/meetings/speeches as well", it added.
The court has asked the poll watchdog about the action it has initiated against them.
The EC had earlier asked her to explain her position on the matter in 24 hours of receiving the notice.