আহমেদ সোহাগ 

Welcome to my officials YouTube chanel 
 This is a educational and entertaing  channel  you will find scientific /educational and entertaining videos that enriches you with knowledge 

Copyright disclimer

   This channel may use some copyrighted materials without specific authorization of the owner but the contents used here fall under ‌"fair use" copyright disclaimer under section 107 of the copyright act 1976 allowance is maid for "fair use" for purposes such as criticism,comment,news repoting teaching scholarship and Research fair.use is a use permitted by copyright statute that might otherwise be infringing non-profit educational or personal use tips the balance in favor of fair use.if you have any issue problem or query feel free to mail us