Is there any method to signup to wordpress site from my html page.
So that the registered user details must fairly added to database table.
I mean the action must be similar to the process how we generally signup to wordpress cms.
I'm not sure if it's what you want, but I got some hints from How to display Wordpress User Registration Form in front-end of the website? and Quick Tip: Making a Fancy WordPress Register Form from Scratch from Tutplus: