Ministry of Electronics & Information Technology (MeitY) has notified "Electronics and Information Technology Goods (Requirement for Compulsory Registration) Order, 2012" on 3rd October, 2012.
As per the Order, no person shall manufacture or store for sale, import, sell or distribute goods which do not conform to the Indian standard specified in the order.
Manufacturers of these products are required to apply for registration from Bureau of Indian Standards (BIS) after getting their product tested from BIS recognized labs.
There are over 50 products which are cover under BIS-CRS Scheme. You can check your products whether it falls under CRS or not by retrieve through this link attached below.
https://www.crsbis.in/BIS/products.do