Driving Under Influence of Drugs
Driving under the influence of any narcotic substance or psychotropic drug is a criminal offence.
Section 185 MV Act covers driving under the influence of any drug in addition to alcohol. While India does not yet have widespread roadside drug testing, police can detain a driver suspected of drug impairment for medical examination. If drugs are found, NDPS Act charges may apply in addition to MV Act penalties.
Penalty Under Law
₹10,000 fine + imprisonment up to 6 months (first offence). Repeat: ₹15,000 + 2 years. NDPS Act charges may apply additionally.
Legal Source
MV Act Sec. 185; NDPS Act 1985
What the Law Says
Section 185 MV Act: "Whoever, while driving or attempting to drive a motor vehicle... is under the influence of any drug to such an extent as to be incapable of exercising proper control over the vehicle" is punishable. The term "drug" includes any substance listed under the NDPS Act 1985 as well as prescription medications that impair driving ability.
💡 Why This Rule Exists
Drug-impaired driving affects reaction time, judgement, coordination, and perception — all critical for safe driving. Unlike alcohol, there is no standardised roadside test in India for drug impairment, making enforcement difficult. However, the growing prevalence of drug use, especially among long-haul truck drivers (stimulants), makes this an increasingly serious road safety issue.
Key Facts
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Covers: cannabis, opioids, amphetamines, cocaine, hallucinogens, and any NDPS-listed substance.
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Also covers: prescription drugs that cause drowsiness (antihistamines, benzodiazepines) if they impair driving.
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Police can require a medical examination if drug impairment is suspected.
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Refusal to undergo medical exam is treated as admission of guilt.
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NDPS Act charges (possession/consumption) may apply in addition to MV Act.
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Long-haul truck drivers: stimulant drug use is a documented problem contributing to highway fatigue crashes.
⚠️ Common Violations
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Driving after consuming cannabis (often normalised).
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Truck drivers using stimulant drugs to drive longer hours.
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Taking prescription sleep medication and driving the next morning while still drowsy.
Frequently Asked Questions
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More Prohibitions Rules
Drunk Driving — Zero Tolerance Rules
India's legal blood alcohol limit is 30 mg per 100 ml — one of the world's strictest. First offence: ₹10,000 + 6 months jail. Repeat: ₹15,000 + 2 years. A police breathalyser test is legally valid evidence.
₹10,000 + 6 months imprisonment (first)
Mobile Phone Use While Driving
Holding or using a mobile phone while driving is illegal and attracts a ₹5,000 fine. Hands-free calling in earphones is restricted in several states. Distraction from phones causes thousands of deaths per year.
₹5,000 (Sec
Racing and Speed Trials on Public Roads
Street racing and speed trials on public roads are criminal offences under Sec. 187 MV Act — ₹5,000 fine + 1 year imprisonment. Third parties killed by racing drivers face serious criminal charges.
₹5,000 first offence + up to 3 months imprisonment
Overloading of Vehicles — Passengers and Goods
Vehicles must not carry more passengers or goods than their registered capacity. Overloaded trucks face ₹20,000 + ₹2,000 per extra tonne. Overloaded buses with passenger deaths face criminal charges.
Passenger overloading: ₹200 per extra passenger (Sec