Zisan – Yes. Using the method we described (on page 1) you’ll be able to send mail from Gmail using your Zoho email address.
When you open a new message, you’ll have to select which email to use in the ‘from’ field (by default, it will show your gmail address first). Just click the small ‘down’ arrow, and select the right address from the list.
There’s a screenshot of this on page 1, which may also help.