Simple it's good interview experience focus basic knowledge not advanced, prepare all your basic concepts of production engineering and manufacturing process, all knowledge of casting process, forging process and machining process., All mechanical instruments knowledge with Thier there working principle and least count.

I got call for interview. When I went there I need to submit copies documents and CV. There was technical interview where they ask questions on related experience. Then immediate results will be given. There is no HR interview to negotiate salary or working hours.