It is a remake of the 1984 Tamil film Oru Kaidhiyin Diary (English: A Prisoner's Diary) starring Kamal Haasan; Kamal Haasan also played a dual role in the original movie.
Diary | Diary (TV series) | Bridget Jones's Diary | Veruthe Oru Bharya | diary | Bridget Jones's Diary (film) | Secret Diary of a Call Girl | Oru CBI Diary Kurippu | Oru | Lucy's Diary | Diary of a Wimpy Kid | Diary of a Butterfly | The Secret Diary of Adrian Mole, Aged 13¾ | Oru Yathrayil | Oru West | Mrs Dale's Diary | Miss Sophia's Diary | Lytton's Diary | John Evelyn's Diary | Dracula: Pages from a Virgin's Diary | Diary of a Wimpy Kid: The Third Wheel | Diary of a Camper | Dead Water Diary | The Secret Diary of Desmond Pfeiffer | The Diary of a Young Girl | The Diary of Alicia Keys | Secret Diary of an American Cheerleader | Red Bus Diary | Purple Heart Diary | Oru Yathramozhi |