12 O'Clock is a 1958 Bollywood Drama, Thriller and Mystery film starring Guru Dutt and Waheeda Rehman.
STORY :-
At exactly 12:00 Noon at Dadar Railway Station, Bombay, two gunshots are fired, instantly killing Maya (Sabita Chatterji), the wife of Raimohan (Rehman). One of the assailants is none other Maya's sister, Bani Choudhary (Waheeda Rehman), and a gun is recovered from her handbag. The second assailant flees on a motorcycle, meets with an accident, and is instantly killed. The police charge Bani with murdering her sister. Faced with overwhelming evidence against Bani, Her lawyer boyfriend, Ajay Kumar (Guru Dutt) must race against time to come to the truth behind Maya's murder.[3]