[12] Khanna served as the Ontario co-chair for Pierre Poilievre's successful leadership bid.

[4] In 2023, Khanna decided to run for the Conservative Nomination for the Riding of Oxford to succeed then-Member of Parliament, Dave Mackenize.

Mackenzie believed it a violation of the party nomination rules based on the Conservative's code of conduct.

[16] In April 2023, Khanna defeated two other candidates such as Mackenize's daughter, Deb Tait, a Woodstock city-county councillor.

[18][19] Mackenize, who cited concerns in the leadership race announced his endorsement for local realtor, David Hilderley, who was the Liberal candidate.