Hi,
For proper https indexing there are certain steps that should be taken like correct ssl setup, correct 301 redirections from http to https, creation of new sitemaps with https links, submitting new sitemaps to google, checking index tags etc.
Please share URL and further details.
I am available on Chat if you want to discuss project details.
About Me:
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My name is Imran and I have been working as a HTML/CSS/PHP/Wordpress/Woocommerce Developer, Designer and Coder for the last 10 years. I have earned plenty of positive reviews from my previous clients on Freelancer.com with great ratings and high Rehiring frequency.
You can check all this on my profile page here:
https://www.freelancer.com/u/imranphp.html
Thank You and Good Luck for your Project.
Imran Ali.