Dear Akshay ,AMCAT (Aspiring Minds' Computer Adaptive Assessment) is India's Largest Employability Assessment and is recognized by over 2000+ companies.It is a test used to provide students a platform to connect with companies and get placed in them.You will be shortlisted by your rank in the AMCAT exam.And after that you will be offered a job.There are also other good exams like elitmus which is also same as AMCAT and is used to secure a job.

After your first attempt, you are allowed to appear for AMCAT only 3 times maximum in a calendar year post your first attempt. If you have appeared earlier for AMCAT, then you can sit for the test again only 3 months after your last attempt. The AMCAT score you obtain is valid for a period of 3 years.

Hope i am clear.