In India, in order to sell or distribute pharmaceuticals, one must obtain a drug license. Understanding the purpose of these forms is crucial before beginning the filling procedure. Form 20:To apply for a retail drug license, utilize this form. This license allows the direct sale of medications to customers. Form: 21:To apply for a wholesale drug license, utilize this form. The s... https://hasster.com/blogs/43264/Step-by-Step-Guide-to-Filling-Form-20-21-for