i had been gone through the interview process of sun technology, first they will take written test which has been coducted in their office itself, all the employees are evry helpful during test, you have to carry your resume with youself and be in formal attire, there will be 20 aptitude questions (20 minutes) and 30 technical questions (40 minutes), and level of the exam is moderate, afterwards 2 technical rounds - here your real skills they gonna check and afterwards hr round