VGM Goyal Ji -
The Autofill Settings can be controlled through your browser also -
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If you are using Google Chrome,
1. Go to Settings
2....
more... Scroll to the bottom of the page and Click on "Show Advanced Settings"
3. Under "Passwords and Forms", tick "Enable Autofill to fill out web forms in a single click."
4. Try with these steps if it works or not.