Gmcs august end

No,u can't apply for membership before completing GMCS...

please give me details of any available batch in NIRC (North India) on or after AUGUST 20th.

check out this and if there is any seat available than you can register.
https://www.nircstudent.org/gmcs/

Sometimes seats are also availble also for the batch which is already full. So check this as frequently as possible.......it will be better to check two times a day.