How do I contact Zoho Support?

How do I contact Zoho Support?

I'm very confused - I'm trying to get support but I can't login to  https://help.zoho.com/portal/signin 
I don't know if I'm supposed to write on the forum for help.

Please can someone reply to help me - I'm locked out my new mail account for admin@serenachutergon.co.za - there is no secondary email and because I signed up with Gmail I don't have a password to login.

I wanted to change my secondary email but when I created my other email raaksha@serenachutergon.co.za I signed out before I could enter a secondary email for the admin email.

Please can you make my Raaksha account have admin privileges