MA Awal, ex-MP of Lakshmipur-1 constituency, was placed on a two-day remand on Wednesday in an extortion case.
Additional Metropolitan Magistrate Md Hasibul Haque passed the order when investigating officer of the case Anoy Chandra Pal sought a five day remand after producing Awal before the court.
Major (retd) Mostofa Kamal filed the extortion case against Awal last month.
Also read: Former MP Awal taken to jail
The former MP was arrested by Rapid Action Battalion on May 20 in another case over killing trader Shahinuddin in Dhaka's Pallabi area.
RAB claimed the former MP to be the mastermind behind the murder.
On May 16, Shahinuddin was called up on his mobile phone and asked to go to Mirpur Section-12 on the pretext of resolving a land dispute.
Also read: Former MP Awal, wife get anticipatory bail in graft cases
When the victim reached the area around 4pm that day, assailants attacked him before hacking him to death with sharp weapons in front of his seven-year-old son.
A murder case was filed with Pallabi Police Station on May 17 against several people, including former MP MA Awal.