Why is 'master's' correct in 'I'm doing my master's' and not masters?

masters meaning in hindi   Dan masters meaning in hindi

Masters meaning l meaning of masters l masters ka matlab Hindi mein kya hota hai l

i) Graduate or its equivalent from a recognized University with Hindi as an elective subject with at least 50% marks ii) Bachelor of Under Graduate Programmes in Hindi Medium · ·

bhutan daily bumper result download Department of Comparative Literature and Translation Studies · Department 8 in Hindi What is meaning of Masters in Hindi dictionary? Masters ka matalab hindi me kya hai Masters in hindi Hindi meaning of Masters