Finally, the functioning of the credit rating agencies, role conflict in their operations and excessive reliance on the credit ratings even by the institutional investors, are under scrutiny. Lessons from sub-prime crisis 7.
b)  Indian companies engaged in the energy and natural resources sectors, such as, oil, gas, coal and mineral ores, though they would require prior approval of the Reserve Bank of India. Overseas investments in unincorporated entities in oil sector (e.g.