Hello Aspirant!!

Please be specific of which application form you are speaking about?

Generally, there won't be cancel option in any of the application form. If you have started to fill, but you are not interested to fill afterwards means, then you no need to submit it, they will automatically cancel your form. But, if you have submitted, then there is no option for cancellation.

What reason makes you to cancel the form? Feel free to comment!

Best of luck!