A Dhaka court has placed former Inspectors General of Police Chowdhury Abdullah Al Mamun and Shahidul Haque on remand in two separate murder cases.Of them, Mamun was placed on an eight-day remand in a case over the murder of a grocer named Abu Sayed in Dhaka's Mohammadpur while a seven-day remand was granted for Shahidul in a case over killing of a trader named Abdul Wadud in New Market police station area in the capital.Dhaka Metropolitan Magistrate Aktaruzzaman passed the order on Wednesday morning after the police had produced them before the court, seeking a 10-day remand for each.Earlier on Tuesday, the Detective Branch of the Dhaka Metropolitan Police arrested them.Abu Sayed, a grocer, was killed in Basila area under Mohammadpur police station on July 19 when the police opened fire on the students and public during the quota reform protests. Abdul Wadud, a businessman, was shot dead in New Market police station area during the movement.