Amid 61 drone activities detected by the Border Security Force (BSF) on the western border in the past one year, home minister Amit Shah on Saturday said anti-drone solutions were being actively worked upon by agencies like DRDO and that these would be deployed “very soon” to step up border surveillance. Amid 61 drone activities detected by the Border Security Force (BSF) on the western border in the past one year, home minister Amit Shah on Saturday said anti-drone solutions were being actively worked upon by agencies like DRDO and that these would be deployed “very soon” to step up border surveillance.