Blood pressure remains 170/100. We do?

My mother was having cardiac attack history. She has changed many medications from last cardiac attack. she takes following medications Arkamin Morning Ecosprin 75 Afternoon Arkamin Night Also having acidity Nexpro 40 Ganaton 50mg Nowdays from last 2-3 months her Blood pressure remains 170/100 and following symptoms. Her symptoms are as below: 1) Blood pressure remains 160-170/100 in the morning also at evening it remains same. Even after taking the medication. Some time it reaches to 130/70 2) All reports Thyrocare X came normal 3) ECG and ECO came normal 4) She feels very sensitive to the light ( Heart beat rises in the light) 5) She feels very sensitive to sound. ( Feels skipping of heart beat when some noise happens during evening) 6) She takes very light diet, no masala and else. 7) In 2013 angeography was performed and doc has advised to take medication only. Please give some conclusion why it happens now and what should we do?