Housekeeping services excluded from notification unless supplied via electronic commerce operator requiring registration under state GST law. The State Government inserts clause (iii) to the notification providing that services by way of house-keeping, such as plumbing and carpentering, fall within the notification's exclusion, except where those services are supplied through an electronic commerce operator and the supplier is liable for registration under sub-section (1) of section 22 of the Nagaland Goods and Services Tax Act.