1) no separate licence is required for online sale of medicines as on date . according to the Indian law, prescription drugs can only be issued on seeing the prescription of doctor by the retailer in presence of its chemist.
2) Also the bill the retailer gives the patient should have the license no. and name of the doctor. to add to it, the drug supplied should not be in excess of the quantity mentioned by the doctor.
3) These issues actually make it difficult to run an online pharmacy.
4) if you want to sell online you will need scanned copy of prescription signed by doctor
5) you need registration under copyright act of your online website
6) you will have to mention terms and conditions for use of services
7) the users agree to accept responsibility for all activities that occur under Your Account or Password. your online website shall not be liable for any loss or damage, which may take place if the user fails to protect his/her account details or password.
8) get the terms and conditions for using your website be drafted by a local lawyer