M/s Tandon Brothers, TandaUjain, Kashipur (Udham Singh Nager) Uttrakhand, he sale duplicate medicen and sale exp. date and sample medicen in high rate and also sale drugs etc

i purshased the tablets from the MERF hospital, mylapore attachted pharmacy for arthritis problem and i consumed more than 30 tablets after that i opened the tablets that is packed in aluminum coated cover that tablets were fully damaged (broken) tablets, i shocked and had opened another one that also like that, i tested more than three tablets that alos liked that. Affter that i met and complaint to pharmacy people regarding that tablets, they simply said that was affected by moisture and you changed the tablets. I scolded and left the pharmacy people. How can we know that the tablets is affted by moisture and how do we know that the tablets is good condition, i affraid that i consumed the duplicate (nearly 40) tablets please help me whether the tablets is orginal or duplicate.