Question: Who wrote the screenplay for the 2003 original movie in which 2005 Indian film 'Khamoshh... Khauff Ki Raat' was based?

Context paragraphs:
Rajat Bedi: Rajat Bedi is an Indian film actor and television producer who primarily appears in Bollywood films.  Known for his role as Raj Saxena in the film "Koi... Mil Gaya" (2003), Bedi has worked over 40 films, including "Rakht" (2004), "Khamoshh... Khauff Ki Raat" (2005) and "Rocky - The Rebel" (2006).

Kal Chaudhvin Ki Raat Thi: Kal Chaudhvin Ki Raat Thi is a popular ghazal from the movie Khamoshi.  It was originally sung by Jagjit Singh but the version by Ghulam Ali , Asad Amanat Ali and Abida Parveen is also popular.  It is written by Ibn-e-Insha.  This song was also sung by Kumar Sanu in the movie Jiyala, which was also a semihit in the 1990s.

Shyama: Shyama (born Khurshid Akhtar; 7 June 1935, Lahore) is a former Bollywood actress.  Her best known roles were in "Aar Paar" (1954), "Barsaat Ki Raat" (1960) and "Tarana".  She was also noticed in 'Sawan Bhadon', 'Dil Diya Dard Liya', 'Milan' and 'Sharda' for which she was awarded Filmfare Award for Best Supporting Actress.  Like Shammi Kapoor in male actors, she is the actress who has been most responsive to the rhythm and lyrics of the music directors and poets.  Songs picturised on her like 'ae dil mujhe bata de', 'O chand jahan wo jaye', 'ae lo main hari piya', ' dekho, wo chand chhup ke karata hai kya ishare', 'chhupa ke meri aankhon ko', 'ja re ka re badara' are examples of her sensitive acting.

Barsaat Ki Raat: Barsaat Ki Raat (Hindi: बरसात की रात ; Translated: 'A Rainy Night') is a 1960 Bollywood film starring Bharat Bhushan, Madhubala, Shyama, Mumtaz Begum and K.N. Singh.  It was directed by P. L. Santoshi.

K. Pappu: K. Pappu (died 11 July 2005) was an Indian film director, producer and screenwriter.  He directed films such as " Ucha Dar Babe Nanak Da" (1982), "Jigri Yaar" (1984), "Mohabbat Ki Kasam" (1986), "Vishnu-Devaa" (1991), "Ayee Milan Ki Raat" (1991), "Izzat Ki Roti" (1993), "Maha Shaktishaali" (1994) and "Raghuveer" (1995).

Shehnai (1947 film): Shehnai is a 1947 Indian Bollywood film directed by P.L. Santoshi, starring Kishore Kumar, Indumati, Radhakrishan, V.H. Desai and Rehana.  It was the fifth highest grossing Indian film of 1947.  Santoshi went on make the classic, "Barsaat Ki Raat" (1960) starring Madhubala and Bharat Bhushan.

Ayee Milan Ki Raat: Ayee Milan Ki Raat is a 1991 Bollywood musical romantic film directed by K Pappu, and starring Avinash Wadhavan, Shaheen, Aruna Irani, Alok Nath, Anupam Kher and Rita Bhaduri.  The movie was average at box office but the music was highly appreciated and still remembered as best album with all chartbusting hit songs which is sung by Anuradha paudwal.

Khamoshh... Khauff Ki Raat: Khamoshh... Khauff Ki Raat is a 2005 Indian Hindi mystery thriller directed and produced by Deepak Tijori.  It was a remake of James Mangold's 2003 Hollywood psychological thriller Identity (film).  The film received poor reviews from critics.

Identity (film): Identity is a 2003 American psychological horror mystery film directed by James Mangold from a screenplay written by Michael Cooney.  The film stars John Cusack, Ray Liotta, Amanda Peet, Alfred Molina, Clea DuVall and Rebecca De Mornay.

Deepak Tijori: Deepak Tijori (born 28 August 1961) is an Indian film director and actor who works in Bollywood films and is well known for his supporting roles in "Aashiqui" (1990), "Khiladi" (1992), "Jo Jeeta Wohi Sikandar" (1992), "Kabhi Haan Kabhi Naa" (1993), "Anjaam" (1994), "Ghulam" (1998) and "Baadshah" (1999).  He also starred as a lead actor in "Pehla Nasha" (1993).  Tijori started his directing career with "Oops! " (2003), a film about male strippers.  This was followed by "Fareb" (2005), "Khamoshh... Khauff Ki Raat" (2005), "Tom, Dick, and Harry" (2006) and "Fox" (2009).  "Thriller at 10 – Fareb", a TV mini-series produced by Tijori won the 2001 Indian Television Academy Awards in the category best mini-series.

Supporting paragraphs: Khamoshh... Khauff Ki Raat Identity (film)
Answer: Michael Cooney