when can i give a GMAT test?

There is no fixed time to appear for this test. It depends on you completely as per your convenience and preparation. It can be taken any time of the year with prior appointment. GMAT scores are valid for a perioud of 5 years. A student can take the GMAT only once in every calender month.

The Graduate Management Admission Test is a Standardized test that measures verbal, mathematical and analytical writing skills,Anyone and everyone is eligible for taking the GMAT - there are no restrictions based on age or qualifications. the exam is conducted in Last three weeks of each month

you can write it all round the year, but the best time should be atleast 7 months prior the admission sessions which are generally in january, april, july and october approximately.