मैं कौन

Main Kaun is Pune Highway's philosophical soul — Salim Merchant performing a Salim-Sulaiman composition that turns the road trip into an existential reckoning. The question 'Main Kaun' (Who am I?) is the oldest in Indian philosophy, from the Upanishads through to the therapy session, but here it gains a specific contemporary Mumbai-Pune context: the highway is where the city's relentless identity performance can finally pause, and the question can actually be asked.

Salim-Sulaiman's arrangement here is more stripped than their usual orchestral grandeur — piano-led, with strings entering only at the emotional peak. The restraint is the statement: this is not a song about answers, so it should not sound like one.

The lyric circles the question 'Main Kaun' without answering it — a Vedantic lyric structure that treats the asking itself as the spiritual act, not the answer.

The song plays at the film's emotional turning point — the protagonist alone on the highway at night, confronting what the journey has revealed about themselves.

Salim-Sulaiman are known for their large-canvas compositions (Kal Ho Na Ho, Noor-E-Khuda, etc.). Main Kaun shows their quieter, more introspective register.