The party has fielded sitting MLA Rajendra Singh Joon from the Bahadurgarh seat.
While Joon was a Congress rebel, Kadyan fought as an Independent after the BJP denied him ticket.
Mr Pradhan's understanding of realpolitik and organisational dynamics makes him the ultimate party man, notes Aditi Phadnis.
Most of the MLAs shared their resignation letters on social media and slammed the Aam Aadmi Party over corruption and other issues.