When any of the Domain names that you have registered come up for renewal, you will receive an email notification one month prior to the renewal date at the email address you have specified in your administrative contact information.
In addition to that India.to will send you one intimation regarding the renewal of your domain name with the required charges, mode of payment etc... Act according to that mail.
Go to Hosting.India.to client area login:
http://clients.exaltedsolutions.com/clientarea.php
- Click "My Domains"
- "Your Domain Name" and click "View Details" button
- Here you will find all the details for domain renewal.