Elaborate arrangements were underway on Sunday for the swearing-in ceremony of Yogi Adityanath as the Chief Minister of Uttar Pradesh here, officials said.

State's Chief Secretary Rahul Bhatnagar, Director General of Police Javeed Ahmad along with other senior officials visited the venue, Smriti Upvan park, to take stock of the preparations and security arrangements.

Adityanath also visited the venue in the morning escorted by the Bharatiyta Janata party's state General Secretary Vijay Bahadur Pathak.

The swearing-in ceremony will take place at 2.15 p.m., in the presence of Prime Minister Narendra Modi, BJP President Amit Shah, a host of union ministers and senior party leaders.

Hundreds of Adityanath's supporters from all across the state have reached Lucknow to attend the ceremony.

Two Deputy Chief Ministers -- Dinesh Sharma and Keshav Prasad Maurya -- will also be sworn-in.

Meanwhile, celebrations started in Gorakhpur, from where Adityanath is a Lok Sabha member.