Branded Generics Market Size, Share & Industry Analysis, By Therapy Area (Anti-infectives, Cardiovascular, Gastrointestinal, Vitamins, Minerals & Nutritional, CNS, Respiratory, Anti-diabetic, Dermatology, Pain Management, and Others), By Route of Administration (Oral, Parenteral, Topical, Inhalation, and Others), By Distribution Channel (Retail Pharmacies, Hospital Pharmacies, Online Pharmacies, and Others) and Regional Forecast, 2026-2034