Which of the following statements are correct with regard to the Indus valley civilisation

Q. Which of the following statements are correct with regard to the Indus valley civilisation?

1. The people of this civilisation were the earliest to make use of cotton.

2. They did not cremate their dead.

3. A grid system was followed in city planning.

4. Stone was the chief building material.

(a) 1, 2, 3 and 4

(b) 1 and 4

(c) 1 and 3

(d) 2 and 3

Ans: (c) 1 and 3