A BSF personnel was allegedly beaten to death on Saturday night for protesting against the circulation of an objectionable video of his daughter, the Chaklasi police said, adding that they have arrested all seven accused in the case. The incident took place on December 24 when a BSF jawan, Meljibhai Vaghela, went to the house of a 15-year-old boy and complained to his family members that he was circulating an objectionable video of his daughter online.