While there is no major commercial film titled " Mummy Ko Car

The Guilt Transaction:

Often, the mother has sacrificed a normal life—walking, taking buses, or relying on a scooter—for decades. The car becomes an apology in sheet metal. But the romantic lead sees it as a red flag: "If he sacrifices this much for his mother, what will be left for me?"

Maternal Devotion:

The car as a gift or a tool for independence.

Given the individual components, here are a few possible interpretations of the phrase: