India is planning to overhaul regulation of its financial system to attract investments from the Gulf and to encourage its largely unbanked Muslim population to save money in a way compliant with their religion, a senior government adviser has said. K Rahman Khan, deputy chairman of India's upper house of parliament, told the Financial Times that the ruling Congress Party is proposing reforms to the finance ministry, the Reserve Bank of India and Securities and Exchange Board of India to allow for the introduction of Islamic financial services.