Dear Prem, 

Right now, only the answer key has been released by the BCI for AIBE 13. You can check the link to the answer key on the article of AIBE (13) Answer Key 2019 given below. The results will be released after the time to raise objections on the answer key of AIBE ends, which is January 10, 2019. You can see the method to raise objections on the same page.

https://law.careers360.com/articles/aibe-answer-key

All the best!