The audio clip was leaked days after PTI suddenly delayed its march after a government crackdown on protesters trying to reach D-Chowk, drawing widespread condemnation within the party.
Speaking on Geo News programme Naya Pakistan on Sunday, Khan said that his PTI has massive support from the people and does not need to rig the elections.
Kerala Governor Arif Muhammad Khan on Monday visited Mananthavadi Bishops House. The Governor said that he had come to Wayanad to visit the families who died in the wild elephant attack and to console the family members.
"After coming to power, we will not take any political revenge, but we will take the country and the nation forward for the sake of development of the country and the nation," Ali Muhammad Khan quoted Imran as saying.
In a further blow to former PM Imran Khan, Pakistan Tehreek-e-Insaf (PTI)-backed independent candidate Ameer Muhammad Khan, who won PP-89 from Bhakkar, has joined the Pakistan People's Party (PPP), Dawn reported.
Kerala Chief Minister Pinarayi Vijayan and cabinet ministers have boycotted the "at home" reception organised by Governor Arif Muhammad Khan at Rajbhavan on Friday evening.
Prime Minister Narendra Modi on Tuesday arrived in Kerala where he received a warm welcome by Chief Minister Pinarayi Vijayan and Governor Arif Muhammad Khan at the Nedumbassery airport.
Communist Party of India (Marxist) CPIM state secretary M V Govindan has criticised Kerala Governor Arif Muhammad Khan and alleged him of working on the directions of Rashtriya Swayamsevak Sangh on Monday.