A patient of 46 years with hypertension from last 10 years with ramipril 5 mg. Suddenly his BP rises up to 170 /100 mm Hg.

His creatinine 0.8mg/dl, Hb%14.0, RBS 94mg /dl, urea 25.4mg /dl, calcium 8.5mg /dl, lipid profile normal. What is the next line of treatment safe for his life?