It is the gate Of Bidar fort  buit by bahamani sultans. It was made by using wood and then coated with metal for further protection from enemies
<a href="//commons.wikimedia.org/w/index.php?title=User:Nandaranga&amp;action=edit&amp;redlink=1" class="new" title="User:Nandaranga (page does not exist)">Nandaranga</a>
<span class="int-own-work" lang="en">Own work</span>