Mumbaicha Dabewala

Mumbaicha Dabewala is a Marathi movie released onDecember 2007. Produced by Mukund Vitkar and directed by Manohar Sarvankar. The movie paints a vivid picture of the dabbawallas intricate delivery system, their line of work and their unique numbering system.

Meanwhile, a terrorist named Vardhan, possesses a CD containing secret information worth crores of rupees, makes a deal with an underworld don. When the police get to know of this they corner him and in an ensuing struggle Vardhan is badly injured. Nonetheless, he hides the CD in one of the nearby dabbas and notes down its number. Before breathing his last he blurts out the number to one of the dons associates but is unable to give any more details. The don, left with a mere number, has no clue of what the number stands for.

Source: Wikipedia