Hi Sanjana

The Individual Response will be released Today and as per the News Sources The official Answer key will be released within 10 Days from Now Onwards, So Just wait for 10 Days ad Your wait is going to be over very Soon. Almost 2Lakh candidates appeared in CAT 2018 Which was held on Nov 25.

Hiii

As you can see the question papers and responses are made available officially you must be patient for the answer key it will be releases on the official website. No announcement has been yet made for the release date. Visit the official website regularly for updates.
Revert back freely for more queries.

Thanks!!