Correct option is A
The Border Roads Organisation (BRO) is responsible for constructing and maintaining roads in India’s border and high-altitude regions, including the strategic route
BRO was established in 1960 under the Ministry of Defence.
Constructed the Atal Tunnel, the world's longest highway tunnel above 10,000 ft.
Ensures access to the Ladakh region year-round for military and civilians.
Works in countries like Bhutan, Myanmar, and Afghanistan under India's development aid.
Known for projects under Project Himank, Project Deepak, etc., in the Himalayas.