Before his nomination, Harsh Vardhan along with his supporters visited different areas in Chandni Chowk.
Vardhan, 59, had entered the political fray in 1993 when he successfully contested the Delhi Assembly polls from Krishna Nagar constituency in East Delhi in 1993.
He went on to retain the seat in the 1998, 2003 and 2008 Assembly elections.
He was also the BJP's chief ministerial candidate for 2013 Assembly elections.
Fondly called “Doctor Saab” by supporters and opponents alike, Vardhan is known for his efforts in eradicating polio in Delhi when he was the Health Minister.