Tablets advice government private.

Dear sir My father age 55 generally he will do regular check up for diabetic and high boat private mbbs doctor diabetic specialist hospital. Earlier he used to go at government hospital for taking montly medicine sudden he was change to Provate clinic due to COVID cases at markets and to avoid que lines . But now again he want to go at government hospital today he went and carried some medicines they given him Amlodipine 5mg Telma h 40mg Metformin 500 mg But my concern is the tablets us very small looks whether it will work or not to control bp and diabetic pls advice. And why government tablets looks very small pls tell clarity compare to private medicine 💊 Attached government tablet pic. Which tablets is best pls advice