Who is the author of the famous novel 'त्यागपत्र' (Tyagpatra)?

'त्यागपत्र' (The Resignation) is a famous psychological novel written by the prominent Hindi writer Jainendra Kumar (जैनेंद्र कुमार), published in 1937. It is highly regarded for its profound exploration of human emotions, morality, and female suffering in a traditional society through its main character, Mrinal.