Vantej - Using abusing words and impolite commentry on customer

No ***, New Avadi Rd, Kilpauk Garden Colony, Kilpauk, Chennai, Tamil Nadu ******. I gave the prescription to the staff in this above mentioned location. He asked me to wait for more than ** mins , i asked him to check the prescription and i said if he has the medicine i am good to wait. But he asked me to wait and after ** mins he read the slip and said he dont have the medicine, i asked him why sir u didn't tell me this i asked you about this before for that he said "you are waiting in theatre for hours and why now here" go away we dont have this medicine here. He is a muslim guy so rude and im scared and ran away.