Hello,

From your profile it seems you're a medical science aspirant in class 12, hence I believe it's for NEET, NTA is the conducting authority regarding this, it releases answer key in two phases, namely provisional answer keys which got released on 15th October and final answer keys which was released on 1st November, you can check out the same at https://cache.careers360.mobi/media/uploads/froala_editor/files/neet-final-answer-key.pdf

You can also visit our page at https://medicine.careers360.com/articles/neet-official-answer-key to know more details regarding this.