Pressure problem. With dr. neyogi!

My mother's age 74 y. One week later I consult with dr. Neyogi regarding my mother's pressure problem. Mother take Telma amh 40 , one/day & concorcon 2.5 mg one/day for high pressure. Now pressure is 110/70. Dr.Neyogi suggested that one Telma 20 /day is to be taken.After using Telma 20 one / day , count pressure which are listed below.                              22/09/20 =130/80                     24/09/20=140/100                       28/09/20=140/90                          29/09/20=120/90                         30/09/20=120/70                         01/10/20=120/70                          02/10/20=130/70                         03/20/20=130/80                         04/10/20=130/90                         06/10/20=130/70                          07/10/20=130/90                         09/10/20=140/80                         10/10/20=130/90                         11/10/20=130/80                        12/10/20=130/80  Same medicine will be continued. Pl. give me suggestions.