Arrange the following in the chronological order.
1. Indian Trade Union Act
2. The Tenth Five Year Plan
3. Introduction of Zamindari Tenure System by Lord Cornwallis
4. 73rd Constitutional Amendment Act
1
1, 3, 4, 2
2
2, 3, 1, 4
3
4, 1, 3, 2
4
3, 1, 4 ,2