It's simple. Drop the questions you have for the characters below. There may be spoilers in their answers.

First let's do the Maya Mysteries Universe

1. Maya

2. Raktim

3. Hrishav

4. Mrinjay

5. Manihar

6. Mohini

7. Anandi

8. Nathu

9. Aadi Babu

10. Sundar Babu

11. Sahiba

12. Kalikacharan Babu

Now, for Narabali, where there the characters of same name but AU (so not related to Maya Mysteries Universe). You better ask these peeps questions that can reveal clues lol

1. Maya

2. Nandini (of course)

3. Hrishav

4. Tirtha

5. Shalini

6. Rajon Vijay

7. Bonolota

8. Argha

9. Mohan

10. Falgun