Apollo Pharmacy — Tablet not giving to me because no change

Address: Thiruvannamalai vengikkal branch

Sir good Evening iam Thiruvannamalai tamilnadu iam went my near appollo pharmacy vengikkal branch ( I say need dental pain tablet) he is say give a 20 rupper change but I have a 500 rupee only he told no change sir please give a 20 rupee only then I speak any other chance I am using g pay but he no sir now time is closed so you get out and come tomorrow !
My complaint iam very pain and come for pharmacy bue he told just come to tomorrow what sir