Explanation:

Fourth option is correct.

The planning Commission announced for setting up of an 18 member expert committee to recommend measures for efficient management of public expenditure. This Committte is headed by C. Rangarajan.

The committee has also been mandated to clearly define the scope of the public sector Plan and the expenditures incurred there under, keeping in view the changes in the administrative machinery for implementation of the Plan, and the new mechanisms that have evolved such as special purpose vehicles (SPVs) and public-private partnerships (PPPs).