ISI mark is a certification mark for industrial products in India. The mark certifies that a product confirms to the Indian Standard (IS), mentioned on top of the mark, and developed by the Bureau of Indian Standards (BIS), the national standards body of India. The ISI mark is by far the most recognized certification mark in the Indian subcontinent. The name ISI is an abbreviation of Indian Standards Institute, the former name of the Bureau of Indian Standards. The ISI mark is mandatory for certain products to be sold in India, like many of the electrical appliances like switches, electric motors, wiring cables, heaters, kitchen appliances etc.