how to write official letter in english

Arati's Official Letter's How to write Board Resolution for bank a/c opening. what is Board Resolution? Board Resolution is a decision in written form made by any Company. For Ex- Company's Director have a meeting for a/c open in name of company or purchase/ sale  of assets of company or file case for some reason or appointing authorized signatory in company etc etc. This below given format is for bank a/c opening. Important   Tip ’s when you write a letter or it is an official or it is an unofficial..... It should be short It should be easy to understand It should be in simple language Come straight to point, without including unnecessary matter in letter. How to write Board Resolution for bank a/c opening. ✫✫✫✫✫✫✫✫✫✫✫✫✫✫✫✫✫✫✫✫✫✫✫✫✫  (On The Letter Head Of The Company) Borad Resolution CERTIFIED TRUE COPY OF THE RESOLUTION PASSED AT THE BOARD MEETING HELD ON   ( Date-xx/xx/xx...