While joining the ruling party at the Centre, Chauhan said that his ticket had got cleared by senior Congress leaders but was denied at the eleventh hour.
"A ticket, cleared by the election board comprising top leaders of the party, got rejected and was given to somebody else," Chauhan told media persons after joining the BJP.
On April 21, his supporters in the Congress party had also protested outside Congress president Rahul Gandhi's residence over the denial of ticket to Chauhan.
All seven Lok Sabha seats in Delhi are going to polls on May 12. The counting of votes will take place on May 23.
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