Hello These readings are really high, diet and exercise alone cannot bring this down. She has to be medicine like tab Telmisartan 40 and Amlodipine 5 mg once a day, so she should get these prescribed. She should have a healthy lifestyle like avoiding fatty, oily and high calorie diet. Have low salt diet and monitor blood pressure regularly thrice a day for one week then once or twice a week. If bp is persistently more than 140/90 mmhg, then she should be on medicines for it. Regular exercises like brisk walking, jogging according her capacity atleast 30 min a day and 5 days a week after blood pressure is controlled. Lots of green leafy vegetables, fruits, fish once or twice a week, avoid meat. Avoid smoking and alcohol if any. There shouldn t abdominal fat deposition or obesity. Get your lipid profile and sugars tested once.. Hope this helps you and get back if you have any doubts.