A Bangladeshi national was gunned down and another injured by Indian Border Security Force (BSF) at Roumari border in Kurigram early Friday.The incident took place in the wee hours of Friday, locals said.The deceased is Tulu, 60, inhabitant of Kawar char village of the upazila and injured is Sifad Ali, 35, son of Mojrat Ullah, inhabitant of Chatkorabari village.Protesting the incident, Bangladesh Border Guard (BGB) calls a flag meeting, said Commander of BGB-35 lieutenant Colonel Atikur Rahman.