Hello! Akash.
Here's the link for 2019 question paper with answer key-

https://cucetexam.in/CUCET2019/View/Answerkey10FeedbackLogin.aspx

Process-
Step 1: Visit official website i.e. cucetexam.in
Step 2: Click on the direct link for CUCET Answer Key 2019
Step 3: Log onto the website using your Login Credentials
Step 4: CUCET Answer Key will be displayed on the screen
Step 5: Download softcopy / take printout

Check and go trough this link for previous year cucet question paper (all subjects)-

https://examupdates.in/cucet-question-papers/

Hope this helps!