Prior intimation requirement: listed entities must notify exchanges before board meetings considering key corporate actions and securities changes. Listed entities must give prior intimation to the stock exchange of board meetings considering specific corporate actions, including financial results, buybacks, voluntary delisting, various modes of fund raising and determination of issue price, dividend declarations, issuance of convertible securities, bonus issues, alterations to the form or rights of listed securities, and changes to interest or redemption dates. Intimation must state the meeting date and follows prescribed advance notice periods, with limited exemptions for qualified institutions placements that comply with separate issue regulations.