Sellers need to obtain licence from FDA( Food and Drugs Administration ) for hand made cosmetics . the said Licences have also to be approved by Central Licensing Approving Authority i.e. Drug Controller General of India.
2) the layout plan for manufacturing cosmetics has to be approved by the authorities
3)the plan should be as per the requirements prescribed for manufacturing premises in the Drugs and Cosmetics Act 1940
4) The plan is scrutinized by panel of officers as per the requirements of the Drugs and Cosmetics Act 1940.
5) If necessary the premises is inspected by the concerned Inspector before plan Approval.
6) Finally after scrutiny and compliance as per requirements of the Act the layout plan is approved and two copies are given to the Applicant.
7) they would also need licence under shops and establishment act of your state