MUMBAI, Sept. 12 -- India's markets regulator on Friday unleashed a package of reforms designed to galvanise the capital markets by enhancing the ease of doing business, liberalizing norms for large public offerings, and strengthening governance across market segments including stock exchanges.

The decisions, taken by the Securities and Exchange Board of India (Sebi) at its board meeting, are set to significantly impact everything from mega IPOs (initial public offerings) and related-party transactions to the functioning of market intermediaries.

In a move to attract marquee listings, Sebi has eased stake dilution norms for very large companies and broadened the investor base.

Companies with a post-issue market capitalization between R...