With reference to 'Centre-State Legislative Relations', consider the following pairs:

Sr. No Constitutional Article Legislative Relation

1. Article 249 Parliament has the power to make any law for the whole or any part of the territory of India for implementing any treaty, agreement or convention

2. Article 250 Power of Parliament to legislate with respect to any matter in the State List if a Proclamation of Emergency is in operation

3. Article 252 Power of Parliament to legislate for two or more States by consent and adoption of such legislation by any other State

4. Article 253 Power of Parliament to legislate with respect to a matter in the State List in the national interest

How many of the above pairs are correctly matched?

Question

Sr. No	Constitutional Article	Legislative Relation
1.	Article 249	Parliament has the power to make any law for the whole or any part of the territory of India for implementing any treaty, agreement or convention
2.	Article 250	Power of Parliament to legislate with respect to any matter in the State List if a Proclamation of Emergency is in operation
3.	Article 252	Power of Parliament to legislate for two or more States by consent and adoption of such legislation by any other State
4.	Article 253	Power of Parliament to legislate with respect to a matter in the State List in the national interest