Assertion (A): Inland Waterways Authority of India (IWAI) is the statutory authority in charge of the waterways in India.

Reason (R): Freight transportation by waterways is highly utilised in India.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

Inland waterways are …………… and …………… .

1. Expensive; inaccessible
2. Cheap; environment friendly
3. Cheap; carry low tonnage
4. Cheap; easily cross barriers.

Name the types of roads used in India. Which agency is responsible for maintenance of each category separately?

Name the two major projects developed by NHAI.