Registration of your Free Domain Name
Registration of your free [dot]IN domain name is only a 3 step process mentioned below.
1. Choose a domain name for your business
2. Fill up a form with your business information
3. Choose a professionally designed template customized to your business and publish
There are also many tutorial & Tools which will help you in building your site like adding content to your site, customizing your site, optimising and publishing your site etc.
With each free account you will get upto 10 Email address with 25 GB space [this is from Google], free hosting upto 5 GB [this is from HostGator]
What Will Happen after completion of 1 Year
When you have complete your 1 year with your site, then will have to pay for the plan choose by you. You can see and choose different plans from HostGator site. See below videos for better understanding.