Hii!
The results for class 12th by Meghalaya Board of Secondary Education, (MBOSE) are expected to be released on the official website between 9 July, 2020 to 13 July, 2020 for all the Subject streams. Keep a check on thr official Website.
You can visit the official website, enter your roll no. Or the login credentials and check your results.
We don't owe thr results of all roll nos. With us. You will have to check it your self. Also, you didn't mention the subject stream in your question.
The link given below may help you-
www.mbose.in
Hope you understand.
Good luck!