The incident occurred at Sundraiah Vignan Kendram, as Kanhiaya Kumar was beginning his address at the seminar on constitutional rights.
Mehbooba Mufti has been nominated as the chief ministerial candidate of the PDP,
Police stopped Kanhaiya Kumar in the evening when he along with others reached the central university to address protesting students on the campus.
He wrote the essay in 1930 in Lahore central jail as a reply to a religious man who accused Bhagat Singh of becoming an atheist because of his vanity.
The 85th death anniversary of Shaheed Bhagat Singh, the revolutionary icon of the freedom struggle, who attained martyrdom at the young age of 23, falls on March 23, 2016.
Asked by former Pakistan cricket captain and now commentator Rameez Raja if he and his team had support from the crowds here, Afridi said that "a lot of people are here for Kashmir".