Paradip, Jan 9: Today in connection with the murder of Seaways Shipping general manager Mahendra Swain, the Paradip police served notice to Odisha Stevedores Limited (OSL) Managing Director Mahimananda Mishra’s two sons Chandan and Charchit and accountant of his company, Rabindra Dalei and have asked them to appear before the cops on Jan 11. They are likely to be questioned about the financial transactions of the OSL chief.