Independent candidate Ashraful Hossen Alom, popularly known as Hero Alom, in Dhaka-17 by-election, has gone to the Detective Branch headquarters.
He entered the DB office on Minto Road in the capital with a personal assistant named Shubo, around 3:30pm on Thursday.
Alom told the media that he came to the DB office to identify those who attacked him.
He will also meet DB chief Harun-or-Rashid.
Meanwhile, two more individuals were arrested in connection with the attack.
The arrests took place in the Tejgaon area of the capital on Wednesday night, according to Mostafizur Rahman, the officer-in-charge of Banani police station.
Hero Alom was subjected to a physical assault in Dhaka's Banani area shortly before the end of voting on Monday.
He later alleged that ruling party men had attacked him at Banani Bidyaniketan School and College polling centre in the afternoon with the intention of murder.