The approval was given after a long investigation.
Shamim and his mother were charged with acquiring illegal assets worth Tk 298.08 crore on October 21 last year. ACC Deputy Director Saladin filed a case against them.
Shamim was known as an influential contractor of Sabujbagh, Basabo and Motijheel areas of the capital.
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He was arrested along with illegal firearms and a huge amount of money from his Niketan office on September 20 last year in a drive against casino and other anti-social businesses.
Seven of his bodyguards were also arrested during the raid.
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Rab members seized Fixed Deposit Receipts (FDRs) worth Tk 165 crore, Tk 1.8 crore in cash and a huge stash of foreign currencies.
A foreign-made pistol, seven shotguns and a huge cache of bullets were also seized from the office of ‘GKB & Company Pvt Limited’.
The elite force filed three cases – one under the narcotics control, one under the money-laundering prevention and the other under the arms acts – against Shamim with Gulshan police the next day.