Which amendment of the constitution added Administrative Tribunals?

By which of the following amendment acts of the constitution, article 31-C was inserted in the constitution?

The functions of which of the following body in India are limited to advisory nature only?

With reference to the various categories assigned by Central Board of Film Certification (CBFC) aka Censor Board, consider the following statements:

1. The ‘UA’ category implies for unrestricted public exhibition
2. The ‘S’ Category implies for exhibition to restricted audience such as doctors

Which among the above statements is / are correct?

The decentralised procurement scheme of the Government of India has the following objectives:
1. To reduce the Transportation costs
2. To pass on the subsidy burden of the central government to state governments
3. To cover more farmers under the Minimum Support Prices scheme
4. To enable making food grains available as per local tastes
Which among the above statements is / are correct?