Suggest Treatment For High Blood Pressure

I, This is regarding my father: (His Age : 50 years) His Blood Pressure is around 180/110 from last one year (may goes upto 190/120 in the morning , varies throughout the day) - His current Creatinine Level is 9.5 and Blood Urea Nitrogen serum (BUN) is 110 mg/dL and Hemoglobin is 10.3 g/dL —Three months earlier it was : —Creatinine Level: 4.5 mg/dL —BUN: 34 md/dL —Hemoglobin: 12 g/dL There is no swelling in his body along with no issues with the urination. Currently he is under the treatment of Dr. Nirbhay Kumar (Nefrologist)kanpur , India —Please help me out, what to do ? what should i do ? Is it possible to retain the normal cretatine and BP level without dialysis. Please help me out , suggest me what should i do now? and some best Doctors for this in India.