It affected Influence the areas under the Ramganj , Begumganj , Raipur , Lakshmipur , Chhagalnaiya and Sandwip police stations in Noakhali district and the areas under the Hajiganj , Faridganj , Chandpur , Laksham and Chauddagram police stations in Tipperah district , a total area of more than 2,000 square miles .