लहू

'Lahoo' (Ground Zero, Zee Music Company, 2:44) is the album's shortest and most directly patriotic track, sung by Sonu Nigam with Tanishk Bagchi's composition and Rashmi Virag's fervent lyrics. At just 2:44, the song functions as a compact burst of nationalistic energy within the film's counterterrorism narrative set in early-2000s Kashmir. Despite critics noting that Sonu Nigam's performance felt constrained relative to his capabilities, 'Lahoo' serves its cinematic purpose as an on-screen motivational moment.

Tanishk Bagchi builds 'Lahoo' on a percussion-heavy foundation with brass accents, keeping the arrangement spare to let the lyrical content dominate. The choice of Sonu Nigam — whose patriotic credentials include some of the 1990s' most iconic nationalist recordings — gives the track institutional weight. However, the short runtime limits the musical development, and critics noted that the production felt more like a film cue than a fully developed song.

Rashmi Virag's lyrics lean into the classical patriotic imagery of 'lahoo' — blood as sacred covenant between soldier and soil. The directness of the writing suits the film's tone: Ground Zero is not a film that deals in ambiguity.

Ground Zero had a modest theatrical run (₹9.25–10.35 crore) before moving to Amazon Prime Video. The soundtrack preceded the film and 'Lahoo' was one of the tracks released to signal the film's patriotic positioning in a crowded April 2025 release calendar that included Jewel Thief and Ground Zero on the same date.

Despite mixed reviews for Sonu Nigam's performance on this particular track, 'Lahoo' contributes to Ground Zero's positioning as a serious Kashmir conflict film rather than an action entertainer — a distinction that earned the film critical respect even if it limited box-office performance.