Hi Neelam,

GRE Subject tests are usually taken by students who have extensive knowledge of a particular subject. The Subject tests are available in almost all around the world.

The 2018 GRE Subject test date announced by ETS is 14 April 2018.  The registration for this date should be done by 2nd March 2018 and with late fee by 9th March 2018. The scores of this test will be available by 14th May 2018.

For more information, please visit https://www.ets.org/gre/subject/register/centers_dates/

Do revert if you require more information.