How can such a law be structured to ensure fair pricing for the Government of India and other consumers?
A law to ensure fair pricing for the Government of India and other consumers can be structured as follows:

1. The law should provide that the price of electricity sold to the Government of India or a railway company operating a railway shall be less by the amount of the tax than the price charged to other consumers of a substantial quantity of electricity. This ensures that the government and railway companies receive discounted prices on their electricity consumption, while still generating revenue for the state through taxes imposed on other consumers.
2. The law should also include provisions for periodic review and adjustment of the tax rates and pricing structures to ensure fairness and competitiveness in the market. This can help maintain a balance between the needs of various stakeholders, including the government, railway companies, and private electricity consumers.
3. The law could establish an independent regulatory authority responsible for monitoring and enforcing fair pricing practices in the electricity sector. This body would have the power to investigate complaints, issue fines or penalties for violations, and make recommendations for improving the overall fairness and efficiency of the market.
4. In addition, the law should promote transparency and accountability in the electricity market by requiring utility companies and government agencies to disclose their pricing structures, tax rates, and any other relevant information related to the sale and distribution of electricity. This would enable consumers to make informed choices and help ensure that prices remain fair and reasonable for all parties involved.