- Maharatna Example: Oil and Natural Gas Corporation (ONGC) is a Maharatna public sector company in India. This status allows the company to make independent investment decisions up to ₹5,000 crore without prior approval from the government.
- Miniratna Example: Bharat Sanchar Nigam Limited (BSNL) is a Miniratna company in India. It has been granted greater operational autonomy but has limits on the capital expenditure it can undertake without government approval.
Find the Derivative \( \frac{dy}{dx} \)
Given:\[ y = \cos(x^2) + \cos(2x) + \cos^2(x^2) + \cos(x^x) \]