According to BKK Post:
"Tougher penalties are being sought to deter drunk driving and are likely to go into force by year-end, said Probation Department director-general Wanchai Rujanawong.
He said the proposed amendments raise jail terms for drunk drivers to one year from three months and fines to 20,000 baht from 10,000 baht."
Full article here:-
Bangkok Post : General news