1. Age should as according to the given description:

General Driver : 27 years 
Barber : 30 years 
Tailor : 30 years 
Private Driver : 24 years

2. Medical Fit Certificate 
3. Valid Passport ( also previous invalid passport if issued)
4. Photograph 4*6 c.m with white background 
5. Age for other Catagories should not less than 21 years (e.g. Labour, Electrician, Plumber etc.)