Felt weird

Today i went for inquiry of foundation classes at pw alambagh branch and i was wearing a simple top and pants literally my top was full sleeves and i was carrying a scarf with it as well...i asked one of the teacher there that where should i go for the inquiry and he started lecturing me how my outfit is not appropriate for coming to coaching institution he went like "first of all ap coaching institute me aayi h your clothing should be like that this is not how you dress at educational institute" infront of 10 PEOPLE LOOKING AT US and i was so perplexed i didn't say him anything but now that i think of it i just feel disrespected and disappointed.. it just ruined my day!!