Out of these, 180 posts are for Technician Grade 1 (Signal) and 6000 posts are for Technician Grade 3. ‘ Candidates can now check the detailed category-wise vacancies in the official PDF ...

Grade 3: Asynchronous, asymmetrical, limited arytenoid movement. Full abduction is usually not achieved and especially is not maintained (2%, 55 horses). Grade 4: No arytenoid movement, no abduction.