The correct answer is: Only 1 & 2.
The National Investment Fund (NIF) is a sovereign wealth fund established by the Government of India in 2005. The NIF is managed by the Reserve Bank of India and is used to invest in a variety of assets, including shares, bonds, and real estate. The NIF is not used to fund social overheads such as building schools or toilets.
The NIF was established to provide a long-term source of funding for infrastructure projects in India. The NIF has been used to finance a number of major infrastructure projects, including the Delhi-Mumbai Industrial Corridor and the Chennai-Bangalore Industrial Corridor.
The NIF has also been used to recapitalize public sector banks and to purchase the shares of CPSEs. The NIF has been a successful investment vehicle for the Government of India and has helped to improve the infrastructure and financial sectors of the Indian economy.
Option 1 is correct because the NIF can be used to recapitalize public sector banks.
Option 2 is correct because the NIF can be used to purchase the shares of CPSEs.
Option 3 is incorrect because the NIF is not used to fund operating expenses of Indian Railways.
Option 4 is incorrect because the NIF is not used to fund social overheads such as building schools or toilets.