In short
In Aankhon Ki Masti is from the film Umrao Jaan (1981). Sung by Asha Bhosle, music by Khayyam, lyrics by Shahryar. This is the original soundtrack recording, not a remix or a cover.
The sarangi answers every line the voice sings, which is how a mehfil actually works: the accompanist is arguing, not decorating.
Questions
Who sang In Aankhon Ki Masti?
In Aankhon Ki Masti was sung by Asha Bhosle for the film Umrao Jaan (1981).
Which film is In Aankhon Ki Masti from?
In Aankhon Ki Masti is from Umrao Jaan (1981), with music by Khayyam.
Who wrote the lyrics of In Aankhon Ki Masti?
The lyrics of In Aankhon Ki Masti were written by Shahryar, set to music by Khayyam.