Hello,

The answer to your question is No, you'll not fail your paper will definitely be marked If you wrote in pencil or used a non-black pen like in your case blue pen they'll still mark your paper – by  marking your copy as hard copy, instead of marking your paper online. But Don't worry your year won't be wasted.

Hope this helps you,

Thank you

https://finance.careers360.com/exams/ca-foundation-exam/amp