Correct option is D
The correct answer is (d) Rajnath Singh.
· In 2019, Rajnath Singh, who was serving as the Union Home Minister of India, inaugurated an advanced electronic surveillance system along the 61-km India-Bangladesh border in Dhubri district of Assam.
· This system was designed to enhance the security and surveillance capabilities along the border, addressing concerns of illegal cross-border activities and ensuring better management of the border region.
· The surveillance system includes high-tech gadgets like cameras and sensors to monitor activities and provide real-time data to the security forces.