Shipping Adviser Brigadier General (retd) M Sakhawat Hossain on Friday said police and Bangladesh Coast Guard will work jointly to prevent extortion.
He also made a series of directives to stop extortion at river terminals and ensure security on the river routes.
Sakhawat Hossain is on a two-day official visit in Bhola to select location for setting up a modern launch terminal and jetty with the World Bank financing.
The adviser assured that dredging activities will continue to keep river route of Bhola operational.
Bhola-Monpura ferry service will be launched at a suitable place, he added.
On the first day, the adviser visited different river jetties of Doulatkhan, Tazumuddin and Monpura upazilas.