New Delhi, Jan. 23 -- BIS conducted an enforcement raid recently at the premises of MB Electricals in New Delhi. The firm was manufacturing electric room heaters without having valid BIS Certification Marks License under brand name, "METRO(R)" with spurious License No. CM/L- 8396903 as per IS 4283:1981 & without license no. as per IS 302: 2: 30:2007 violating Section 17 (3) of BIS Act 2016 which is a punishable offence....