The makers of Jithin K Jose’s Malayalam film 'Kalamkaval', starring Mammootty and Vinayakan, have released the lyrical video of the song Nilaa Kaayum. Mammootty shared the track on his X account, announcing its release. Composed by Mujeeb Majeed with lyrics by Vinayak Sasikumar and vocals by Sindhu Delson, the song carries a nostalgic retro vibe.