Chandigarh (Punjab) [India], October 20 (ANI): The Aam Aadmi Party (AAP) on Sunday, announced its candidates for all four assembly seats in Punjab that will face by-polls on November 13. The party has nominated Gurdeep Singh Randhawa for the Dera Baba Nanak assembly seat. AAP has fielded Ishaan Chabbewal for the Chabbewal seat, Hardeep Singh Dimpy Dhillon for Gidderbaha, and Harinder Singh Dhaliwal for Barnala. Earlier, Congress leader and Leader of the Opposition in the Punjab Assembly, Partap Singh Bajwa, wrote to the Election Commission, requesting a postponement of the by-polls as they coi…