Nebistar 2. 5 will work? 5 mg will work?

I take medicines of high BP. Last year I was taking Telvas AM. It was ok. But during winter my blood pressure increased to much .Due to job my place was changed so visit the doctor nearby. He prescribed me macsart cc. But in few days it didn't work. So he changed it to Nicardia xl twice daily. Taking it for around one and a half months, he found it that my BP was 140/93 so he changed it to Bisozex T. So, I thought to see a good MD physician so that he can prescribe me a medicine which will go long. He did a thorough blood test package, which includes about every test . Then he prescribed me Nebistar 2.5 in morning and Tazloc 40 at night. Does these medicines good . I have a doubt about 2.5 mg will work? He also told to prepare a chart of bp readings for 5 days before prescribing me medicines. Yes also my all reports were normal. Please reply.