Sorry for the late reply.
Yes, it's a central subject, but state governments (FDA Deptt. - Food & Drugs Administration) issue licenses. Last year Drug and cosmetic Act 1940 got replaced by a new Act. you can google "Drug and Cosmetic Act 2020 + .pdf) download the pdf and go through relevant...
Hi,
Unlike the US and few other countries making Handmade Soap in the house for commercial sales is not allowed in India. One has to apply for a Drug and cosmetic license or Ayush license. Detergent soap comes is different activity* (*all manufacturing/commercial activities are defined as per...