Explanation:

- Option 1: The National Commission on Macroeconomics and Health, 2005

- This commission focused on the relationship between macroeconomics and health outcomes.

- It provided guidance on improving healthcare systems but did not specifically set a target of 2.5% of GDP public health expenditure by 2025.

- Option 2: The Parliamentary Standing Committee on Health, 2022

- This committee examines health policies and issues in India.

- It may offer recommendations on healthcare spending, yet not specifically the 2.5% GDP target.

- Option 3: The Fifteenth Finance Commission

- It recommended increasing public health expenditure of the Union and State Governments to 2.5% of GDP by 2025.

- This is in line with improving healthcare accessibility and infrastructure in India.

- Option 4: The Kasturirangan Committee

- Known for working on education policies and environmental issues, not on healthcare spending targets.