How many Delimitation Commissions have been constituted by the Government of India till December 2023?

Consider the following:

1. Demographic performance

2. Forest and ecology

3. Governance reforms

4. Stable government

5. Tax and fiscal efforts

For the horizontal tax devolution, the Fifteenth Finance Commission used how many of the above as criteria other than population area and income distance? 

Consider the following organizations/bodies in India :

1. The National Commission for Backward Classes

2. The National Human Rights Commission

3. The National Law Commission

4. The National Consumer Disputes Redressal Commission

How many of the above are constitutional bodies?  

Consider the following statements :

Statement-I: The Supreme Court of India has held in some judgments that the reservation policies made under in Article 16(4) of the Constitution of India would be limited by Article 335 for the maintenance of efficiency of administration.

Statement-II: Article 335 of the Constitution of India defines the term 'efficiency of administration'.

Which one of the following is correct in respect of the above statements?