But blogger does not let you to add anything above the header defaultly. Blogger locks the gadget not to add any other thing above the header. So you have to unlock that gadget and put the quantity of gadget how many you want to add.
Note: After adding this gadget you can also put your adsense ads in that gadget to increase CTR.
How to add Gadget Above the Blogger Header
Here I tell you step wise to add the gadget above the blogger header
Step 1: Just log in into your blogger dashboard
Step 2: Once your get logged into, then go to the template and then click on edit html.
Step 3: Now just find below code
<b:section class='header' id='header' maxwidgets='1' showaddelement='no'>
<b:widget id='HTML3' locked='false' title='' type='HTML'>
Step 4: Then change the maxwidgets="1" into maxwidgets="4" and showaddelement="yes"
Step 5: Click on Save template to save your changes.
Now you will be able to add gadget just above the blogger header. To add gadget, just go to layout and there you will see gadget section just above the header.