While preparing for visa interview, think of questions you might be asked from your documents. It may be about your academic reports, bank certificates, sponsorship letter.... Get well prepared for the questions related to these documents.

Looking at your document, consulars might ask about particular transaction in your bank statement. They may also ask in detail about sponsor.

Remember, you're being interviewed specially to figure out your weak points. Consular can ask any type of question that might be about your previous academic performances, financial status, reasons to study abroad, reasons for choosing particular college or university. So get ready for all these questions.

For visa interview preparation, you can ask your friends or someone you know to ask you a questions similar to that consular asks. You can speak to yourself in mirror so you'll be more confident. During visa interview, you must be impressive enough to impress the consular so that the consular gets encouraged to award you with a visa.