The licences are effective for periods as under:-
i) learner’s licence – six months from the date of issue.
ii) transport vehicle – three years from the date of issue.
iii) transport vehicle carrying
goods of dangerous/hazardous
nature – one year from the date of issue.
iv) any other vehicle – a) twenty years from the date of
issue/renewal or till the age of 50
years, whichever is earlier.
b) five years, if the applicant has attained
the age of 50 years.

The driving licence continues to be effective for a period of 30 days from the date of expiry.