A: No. You must hold a valid TDVL before you can drive a Private Hire Car (like Grab or Gojek) commercially. Driving without it is an offense.
As of , LTA and the Traffic Police (TP) have introduced the Harmonised Medical Examination Report (HMER) . Vocational Licence Application - OneMotoring tdvl medical check up
A: Yes, provided it is under control with medication. The doctor will assess if your condition is stable enough for you to drive safely. tdvl medical check up