How to Remove/Manage "Powered by Blogger" Attribution Widget/Gadget from your Blog using Template edit html

Step 1: Go to your blog's Template and click on edit html.

Step 2: Search following code in your blog code and to make your search easy use id that is Attribution to search whole code.

 <b:section class='foot' id='footer-3' showaddelement='no'>  
 <b:widget id='Attribution1' locked='true' title='' type='Attribution'/>  
 </b:section>  

Step 3: Now Replace your above code with the following code.(Also make a backup of your template before any change in your html code)

 <b:section class='foot' id='footer-3' showaddelement='yes'>  
 <b:widget id='Attribution1' locked='false' title='' type='Attribution'/>  
 </b:section>  

Changes that we have made in our code. with the help of these changed red boxes values we can remove Attribution widget.

Now Click on Save template and then close it.

Step 4: Go to Layout and click on Edit of Attribution Gadget and in Configure Attribution window click on Remove to remove it. (this Remove option was not available before)
Now click on save arrangement and enjoy your blog.