Gujarat Water Supply And Sewerage Board (GWSSB) published Call letter notification for Executive Engineer (Civil & Mechanical) Written Examination, 2016. This exam will be held on May, 2016 at Gujarat University, Ahmedabad. You can download your call letter at 16/05/2016 at 02:00 pm from OJAS’ official website by following link. You need to enter your application no. & birth date to view call letter.