<Li> Schedule Q: Contains a list of permitted dyes and pigments in soap and cosmetics . </Li> <Li> Schedule R: Contains various regulations and requirements for condoms and other mechanical contraceptives . </Li> <Li> Schedule S: Lists various cosmetics and toiletries, and directs the manufacturers of cosmetics to conform to the latest Bureau of Indian Standards requirements . </Li> <Li> Schedule T: Contains various regulations and requirements for manufacture of Ayurvedic, Siddha and Unani products . </Li>

How many types of scheduled drugs are there