Be prepared to speak English clearly and concisely. The visa interview is your chance to make a good impression on the visa officer, so it is important to be able to communicate effectively. If you are not fluent in English, you may want to consider bringing a translator with you to the interview
Be honest and truthful in your answers. The visa officer is trained to spot inconsistencies, so it is important to be honest and truthful in your answers. If you are caught lying, your visa application is likely to be denied
Be confident and positive. The visa officer is more likely to approve your visa application if you come across as confident and positive. So take a deep breath, relax, and be yourself.
Dress professionally and respectfully. The visa interview is a formal occasion, so it is important to dress professionally and respectfully.This does not mean that you need to wear a suit but you should dress in neat and clean clothes that are appropriate for a business setting