Which of the following subjects are included in the Concurrent List?

1) Electricity.

2) Marriage and Divorce, adoption, wills, etc.

3) Weights and measures and establishment of its standards.

4) Trade unions.

a. Only 1

b. Only 1 and 3

c. Only 1, 2 and 4

d. All of the above

ANSWER: Only 1, 2 and 4