There are two ways to get fix deposit forms one is Online and another is offline. If you need online form you have to go to the website on your bank and you can easily find the option to fill fix deposit form there. To get offline form you have to go to your bank and their you can find the form also bank staff will help you in that.

You can ask for this form from the bank or post office where you want to make a fixed deposit. Some bank have online banking facilities they also provide facility to apply online.