RecruitingPhase 3Clinical trialSafety & Efficacy of Qurs e Fishar in Mild to Moderate Hypertensive Patients in PakistanThe herbal medicine Qurs-e-Fishar to treat mild to moderate High blood pressure or hypertension comprises of Rauwolfia serpentina. A product of Hamdard Laboratories (Waqf) Pakistan. A Phase III Safety \& Efficacy Open-label, Single-Arm, Interventional, Multicenter, Study in mild to moderate hypertensive, adults (30 to 60 years of age) prescribed with study product for 12 weeks (84 days). Primary End Points: 1. Reduction in diastolic blood pressure less than 130 / 80 mmHg at the end of the study period (accepted by WHO) or if there was a fall of 20 / 10 mmHg or more in diastolic blood pressure as compared to baseline. 2. Type, frequency and severity of ADRs during the study period. Secondary End Points: 1\. Compliance of the prescribed study medication.