Naina Chaar is an Indian pop song performed by singers Shreya Ghoshal and Kailash Kher.

The exclusively online initiative by Sony Music, of which the song was a part, was titled 'Project Resound' and it marked the first collaboration between veteran Indian singers Shreya Ghoshal and Kailash Kher, who were asked to share their knowledge about music genres and Indian languages.

[2][3][4] 'Upgrade your ears' was the tagline of the project, and according to Sony, its principal target was to make the youth generation aware of the different qualities of music that they hear on their headphones.

Regarding this, Sanjeev Jasani, senior vice-president of OgilvyOne, stated in an interview— "We understood early on that no product advertising could achieve our client's objectives.

"[9] The 'Project Resound' were shot over 45 days and were digitally released as nine web episodes by a Delhi-based production house UnCommonSense Films.

[3][10] Prior to the web episodes, personal interview videos of Kailash Kher and Shreya Ghoshal were also released.

[3] Both singers Shreya Ghoshal and Kailash Kher performed some of their chart-busters, which were selected through an online voting system operated by Sony, to all their fans.

[13] As per a report of Unmetric, "Naina Chaar" was one of the top 5 popular videos of Sony India's YouTube channel.