Submenu not showing in Drupal
<p>I have a <code>Drupal 7</code> site. I need to create menu &amp; submenu.</p>

<p>I am using Drupal <code>Mega Menu</code>module for this.</p>

<p>Issue:<br/>
<strong>Submenu not showing up on hover on menu item</strong> </p>

<p>This is my menu structure:</p>

<p><a href="https://i.stack.imgur.com/S6owO.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/S6owO.png" alt="My Menu Structure"></a></p>