Hi Nirmala,
If you are looking to download NMMS 2019 Answer Key of Tamil Nadu then go to the link given below, then search for your state i.e. Tamil Nadu and hit that download button.
Link - NMMS Answer Key 2020-2021 (Released) - Know Your Probable Scores (careers360.com)
Feel free to ask doubts in the Comment Section.
I hope this information helps you.
Good Luck!
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