Simply put, it is when the employer meets with you to determine if you have the right qualifications to do the available job. It is also an opportunity for the employer to identify whether or not you fit the company culture. Are you a team player? Do you have the same values and work ethics as other employees? It is also a chance for you to show evidence that you have the right qualities needed.

first of all the take interview in their office, send to client location for interview. if you select client interview then they are select you for joining. That means many time need to go for client interview.