She was addressing an election rally in favour of her brother and Revenue minister Bikram Singh Majtiha in Matewal which falls in Majitha constituency.
Harsimrat alleged that Sidhu has betrayed his mother party, BJP, and the people of Punjab.
Taking a dig at Sidhu, she said that his pratice to laugh in the comedy show on the small screen has also helped him to make his own mockery.
Slamming the former MP, she said that he initially bargained with the AAP but could not get any space there as his aspirations were too high. But he succeeded in striking a deal with the Congress for his "vested interests" and not to serve the people of Punjab.
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She said that there was no danger to Akali Dal from Sidhu with his joining the Congress party since Sidhu has always remained an "aimless" politician.
alleging misrule by the Badal leadership.
"They have destroyed the state with the kind of hooliganism they have done in Punjab in the last ten years. This land will never forget this.
"Instead of standing by this party, people should support the party which has brought in a new thinking to save the state," Kaur said.
She added that Sidhu will contest from Amritsar (East) seat and will also address 70 rallies.