ISI accredits that a product is made as per the Indian Criterion. The Bureau of Indian Specification (BIS) is a certified body for the issuance of the mark. It has a (CM/L-xxxxxxx) 7 digit authentication number needed by the BIS. CM/L number is necessary for all ISI marks; otherwise, it is a condemned infringement by the regulation. This mark is acknowledged as ISI Mark Registration. The ISI mark is required for licensing things to be sold in India, in the same way as various other of the electric appliances like electrical wiring cables, switches, heaters, electric motors, cooking area appliances, and so forth, as well as different products like Portland cement, automotive tires, LPG cylinders, LPG valves and more. Regardless, on account of most various things, it is intended.