To start a Pharma Company the basic thing you would require is a Drug License no. and a TIN No. You will need to register your brands and get the products through "Third Party manufacturing" facility. I can guide you through the whole process, Starting from Getting the license to third party manufacturing of your products.
However, to excel and sustain in the market, you need to have good qualified staffs as well.
At present, Pharma market is very stiff and full with competition. Your competitors are not only the big brands but also a a lot of local brands who has good consumer penetration. Besides, you also need to decide which segment in pharma marketing you would like to work because Pharma has also got various sectors such as General Medicine, OTC (Over the Counter) products, Neutraceuticals etc.
But above all, before you start , You need to do a lot of analysis and research about your target market and consumer before you jump into it. A good strategy will always give you the chance to success.
Pharma market is an open market, any one can succeed if they have good networking and professional relationship with doctors. If you need any more help, you can get in touch with me.