Question: Sadma, is an Indian drama movie, released in which year, directed by Balu Mahendra which stars Sridevi, an Indian film actress who has worked in Tamil, Telugu, Hindi, Malayalam and Kannada films?
Sentence (from "Sadma"): The film tells the story of Nehalata (Sridevi), a young girl who regresses to childhood after suffering a head injury in a car crash.
Relevant evidence: No