GSEB Declared Head Teachers Aptitude Test Call Letter Out In 2017. Exam Date :- 23/04/2017 April 18, 2017 by sarkariyojana7600 GSEB Declared Head Teachers Aptitude Test Call Letter Out In 2017. For More Details About This Post Please Scroll Down And Check Below. Exam Name :- Head Teachers Aptitude Test Exam Date :- 23/04/2017 Download Call Letters :- Click Here