The regulatory body to provide the grant letter with unique R -number and IS Standard for products under the Compulsory Registration Scheme (CRS) is the Bureau of Indian Standards (BIS). Are you an Indian manufacturer of electronic and IT products looking to gain a competitive edge in the market? Then look no further than BIS CRS. At CliniExperts, we're committed to helping our clients achieve their business goals and succeed in the market. BIS CRS for electronic and IT Products Manufacturers in India, BIS CRS Registration Process. Get Manufacturer BIS registration for electronic products, call at +91 7672005050.