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What is ISI Mark ?

ISI mark is a certification mark for industrial items in India. The marks ensures that an item affirms to the Indian Standard, mentioned as IS:xxxx on top of the mark, created by the Bureau of Indian Standards (BIS), the national standard body of India. The ISI mark is by a wide margin the most perceived certification mark in the Indian subcontinent. The name ISI is a shortening of Indian Standards Institute, the previous name of the Bureau of Indian Standards. It has 7-digit license number (CM/L-xxxxxxx) required by Bureau of Indian Standards (BIS). CM/L number is mandatory for all ISI marks otherwise; it is a punishable offense by the law. The ISI mark is compulsory for certifying items to be sold in India, in the same way as other of the electrical appliances like wiring cables, switches, heaters, electric motors, kitchen appliances and so on, and different items like LPG valves, LPG cylinders, Portland cement, automotive tyres and so on. In any case, on account of most different items it is intentional.

Who can utilize the ISI Mark ?

Submitting an application at the nearest BIS office. A BIS officer will then evaluate at the factory level, the capability of the producer to produce goods according to the standards laid down for the category. Sample of products are tested at the factory and outside. If the assessment is satisfactory and the product passes all the test, a license is allotted and the producer can utilize the coveted ISI mark.

The producer gives test reports to BIS after it gets the item tested in the bureau’s labs and gets the necessary documents certified independently. BIS should check the veracity of the reports within a month and grant a license for utilization of the ISI mark.


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ISI Registration FAQ,s

Who will allot ISI Mark?

BIS (Bureau of Indian Standards) allot ISI Mark.

What is the full form of ISI?

Indian Standards Institute.

What is the initial validity period of the license?

The initial validity period of the License is 1 year.

Is there any penalties for misuse of ISI Mark?

A Punishment of one year or a penalty of upto Rs. 50,000 or both can be levied on the person misusing ISI Mark.

Who will register a Partnership firm?

Partnership firms are registered by the Registrar of Firms, under the Indian Partnership Act, 1932.

What are the advantages of a Registered Partnership firm?

Only a registered Partnership firm can file a suit in any court against the firm or other partners for the enforcement of any right arising from a contract or right conferred by the Partnership Act. Also, only a Registered Partnership firm can claim a set off (i.e. mutual adjustment of debts owned by the disputant parties to one another) or other proceedings in a dispute with a third party. Hence, it is advisable for Partnership firms to get itself registered sooner or later.

What to do, when you find any duplicate ISI mark?

When you have any information about any product with duplicate ISI mark, then complaint BIS immediately on the below address. Deputy Director General (Enforcement), Bureau of Indian Standards, Third Floor, Maanak Bhawan, 9, Bahadurshah Zafar Marg, New Delhi – 110002, Ph. No. 011-23233650, Fax: 011-23217421, Email:,,