Which statements about the Border Roads Organization (BRO) are correct

Which of the following statements about the Border Roads Organization (BRO) is/are correct?

1. BRO is concerned with the construction and maintenance of roads in strategically sensitive areas.
2. BRO undertakes snow clearance in high altitude areas.

Select the correct answer using the code given below.

1. 1 only
2. 2 only
3. Both 1 and 2
4. Neither 1 nor 2