From among the options given below, select the states in which the Sixth Schedule of Indian Constitution is operationalized :
1. Nagaland
2. Mizoram
3. Manipur
4. Tripura
5. Meghalaya
6. Assam
1
1, 2, 5 and 6
2
3, 4 and 6
3
2, 4, 5 and 6
4
All of the above.