As of now, the official answer key is not released as it releases within 5-7 days after the exam is done. So tentatively it can be out in till next week. So kindly keep visiting the official website or below provided link to know all latest updates for the same -

https://school.careers360.com/

Good Luck!!!

You can check the answer key with the help of given below link

KVPY Answer key

Good Luck!!