[6] In the 2006 federal election, Gill ran in York West, and lost to Liberal MP Judy Sgro by over 15000 votes.

[6] The election campaign between the two were heated, and during an all-candidates' debate, Dhalla brought up how Gill's brother had been charged with vandalizing her campaign signs in 2006, even though the charges were dropped, and Gill attacked Dhalla for failing to do enough for a boy beaten by police in India after stealing her aide's purse.

[6] After witnessing increased gang activity in his riding, Gill toured Western Canadian cities in December 2011 to speak with police and community organizations to see how this could be stopped.

[14] In May 2015, Gill wrote letters of support to the Canadian Radio-television and Telecommunications Commission (CRTC) for two of his constituents' competing applications for a community radio station in Brampton.

The Conflict of Interest Act bars parliamentary secretaries from writing such letters to the CRTC and other administrative tribunals, and in October 2013, ethics commissioner Mary Dawson had issued a directive to that effect.

In October 2015, a week and a half before voting day, it was reported that the commissioner of Elections Canada launched an investigation into these claims.

[20][21] During the election, Gill criticized the provincial Ontario Liberal Party and Premier Kathleen Wynne's proposed updates to the sexual education curriculum, which had not been changed since 1998.

In the mailout, Gill also said that it was part of a Liberal attack on family values and parent's right to control the education of their children.

[26] In June 2017, then Progressive Conservative leader Patrick Brown stated that Gill's position on gay rights had shifted, and he was now "100 per cent" in favour of gay rights after comments stating that Gill said that he became involved in politics due to his opposition to legalizing same-sex marriage were uncovered.