Remove ‘Powered by Blogger’ by unlocking Attribution widget
Step 1 : Go to your blog “Template” | click on “Edit HTML”.
Step 2 : Here on drop-down “jump to widget” option and select Attribution 1 as shown below
Step 3: After selecting Attribution 1 widget you will be able to see this line
<b:widget id=’Attribution1′ locked=’true’ title=” type=’Attribution’>
on your blogger template.