Kasauti (lit. 'Criterion') is a 1974 Bollywood drama film directed and produced by Aravind Sen. It stars Amitabh Bachchan, Hema Malini, Pran in lead roles.^[1]

Sapna (Hema Malini), a slum dweller of Bombay seeks refuge from a drunken outburst of her foster father (Satyendra Kappu). Heera (Ramesh Deo), a playboy smuggler, has an eye on Sapna and wants to have her for his pleasure. Amit (Amitabh Bachchan), an educated taxi driver saves Sapna from the clutches of Heera but soon she is accused of attempting robbery and sent to prison. In a fit of anger, Sapna's mother (Sulochana Latkar) kills Sapna's foster father.

Amit promises to marry Sapna on her acquittal but on the eve of their marriage Amit's father (Murad) refuses to accept Sapna. Not wanting to break up Amit's family Sapna decides to walk out of his life and leaves the city.

Amit and his friend Pyarelal (Pran) search for Sapna but do not succeed. In Calcutta, Sapna becomes an instant hit on the stage through Ashok Babu (Vijay Sharma). One day, Ashok proposes to her and Sapna again leaves. Eventually, she is reunited with Amit.

• Amitabh Bachchan as Amitabh Sharma "Amit"
• Hema Malini as Sapna
• Pran as Pyarelal
• Sonia Sahni as Neeta
• Bharat Bhushan as Neeta's Husband
• Mac Mohan as Rajesh
• Ramesh Deo as Heera
• Abhi Bhattacharya as Shankar
• D. K. Sapru as Hariram
• Murad as Amit's Father
• Sulochana Latkar as Sapna's Mother
• Satyen Kappu as Sapna's Foster Father
• Bipin Gupta as Inspector
• Ram Sethi as Balu
• Mohan Choti as Panchu

The music was composed by Kalyanji-Anandji, lyrics by Indeevar, Verma Malik & Anand Bakshi.