Sharif Osman Hadi, an independent candidate for the Dhaka-8 constituency and spokesperson for Inqilab Moncho, was shot by unidentified assailants.
The incident took place in the Bijoynagar area of Paltan in the capital after Friday prayers.
He was taken to Dhaka Medical College Hospital in a serious condition.
Md Faruk, in-charge of the Dhaka Medical College Hospital's (DMCH) police outpost, confirmed the incident to the reports, saying that Hadi is now receiving treatment in the hospital's ICU.
MSH