How do you bring over all the info to ZohoCRM without duplicating responses using multiple card form

Also for all above how do you bring over all the info to ZohoCRM without duplicating responses?

If you don't want to duplicate your submissions, you can manage this while you are authenticating Zoho CRM. As seen below, there is 'Duplicate Record Check' option.

For further information, you can follow this guide. If you have any further questions, feel free to ask.

Do I have to drag and drop the Zoho App on each form in line separately?
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I'm not sure if I understood your question completely, but you have to integrate each form separately with ZohoCRM:

If you had something else in mind please let us know.

Thank you.