BACK TO MVA INDEX
MVA 1988 (Amended 2019)ORIGINALChapter IX

Section 186

Driving When Mentally or Physically Unfit

Offences, Penalties and Procedure
Fine: ₹1,000Compoundable: YesEndorsement: Yes
BARE ACT PROVISION

Legal Text

Whoever drives a motor vehicle in any public place when he is to his knowledge suffering from any disease or disability calculated to cause his driving of the vehicle to be a source of danger to the public, shall be punishable for the first offence with a fine which may extend to one thousand rupees, and for any subsequent offence with fine which may extend to two thousand rupees.

Simplified Explanation

Section 186 creates an offence for driving while knowingly suffering from a disease or disability that makes driving dangerous. This provision targets the subjective knowledge element — the driver knows they are impaired but drives anyway. Examples: a driver having a migraine that severely affects vision; a diabetic who has not eaten and is experiencing hypoglycaemia; a truck driver who has been driving 18 hours continuously and is suffering from severe fatigue; a person with a broken arm who can only drive with one hand. The 'knowledge' requirement is important — Section 186 covers knowing impairment, not inadvertent impairment. It complements Section 16 (revocation of licence for medical reasons) which operates at the licensing administrative level.

Historical Context

Driver fatigue is increasingly recognised as a major accident cause in India — particularly for long-distance commercial drivers. Section 186's fatigue driving application is increasingly relevant but enforcement is challenging without objective testing equivalent to breathalysers.

Critical Changes

Fine increased: ₹200 → ₹1,000 (first), ₹500 → ₹2,000 (subsequent) — 2019 Amendment.

Practical Scenarios

"A truck driver continuing to drive after 16 hours on the road with severe fatigue — Section 186 violation."
"A driver with a severe migraine that impairs vision driving on an expressway — Section 186."

Common Queries

A person is unfit to drive if impaired by illness, physical disability, fatigue, intoxication (other than alcohol — which is covered by Section 185), or any other condition that affects safe vehicle operation. Medical officers and police are empowered to assess fitness.
Section 186 prescribes imprisonment up to 3 months, or a fine up to ₹1,000, or both for a first offence. For a subsequent conviction within 3 years, the penalty increases to imprisonment up to 6 months, or a fine up to ₹2,000, or both.
Section 185 specifically covers alcohol and drug-related impairment, which carries heavier penalties (up to 6 months/₹10,000 for first offence). Section 186 covers all other forms of physical or mental unfitness — such as illness, extreme fatigue, or disability — and carries lighter penalties.