The Election Commission of India ordered on Thursday re-poll at a polling booth in Chandni Chowk parliamentary constituency.
The poll body declared re-poll at polling station no. 32 of Chandni Chowk Assembly Segment after the presiding officer forget to delete the test votes before the actual polling on May 12.
The re-poll will be conducted on Sunday.
In Chandni Chowk, sitting BJP MP and Union Minister Dr Harsh Vardhan is contesting against four-time Lok Sabha MP and Congress leader Jai Prakash Agarwal and Aam Aadmi Party (AAP) Pankaj Gupta.
The counting of votes will take place on May 23.