Ek Din 24 Ghante (English: "One Day 24 Hours") is a 2003 Indian Hindi-language thriller film directed and written by Anant Balani and starring Rahul Bose and Nandita Das.

Sameera believes she has found true love, but it happens that Viren has a serious gambling problem and owes Rs.

Viren seeks Sameera's help, and in desperation and out of resentment for her father, she threatens to reveal to her mother that he has a mistress who is pregnant with his child.

Meanwhile, a strike cripples the city, so Sameera must make her way on foot to the drop-off location to pay off Patel and save Viren's life.

However, Sameera accidentally overhears Viren telling her how he staged the whole incident with Patel to obtain her father's money and that their relationship is a sham.