1. You miss or put some details wrong when you filled out application
2. Check your course details as how long period course, the school eligible for DTV or miss some documents.
3. Bank statements issue
4. If the embassy concern something they will request you more documents not "rejected" , this is means something wrong on your application, you have to find out before re-apply if you still want to do.
I can assist you to reapply again with full service the reason why you got rejected need to check clearly it can be from your documents, miss spelling your name or any on filled out online process.
Yes, I am Visa consulting, feel free to contact me anytime. I also offer full refund guarantee if your application denied. 👌🏼
If you have already your documents. I can consult with charge if you prefer to make sure your application is smooth and have more chance to get approved ☺️
In Europe, the processing time is usually around 10–14 days, depending on where you apply and how strong your application is. If your documents are well-prepared and there are no additional requests, it should not take longer.