Title: Ilavarasan
Content:  Ilavarasan is a 1992 Tamil-language drama film directed by Senthilnathan. The film stars R. Sarathkumar and Sukanya. The film had musical score by Deva and was released on 15 January 1992.
Title: Ilavarasan
Content: R. Sarathkumar as Ilavarasan (Vijay) ; Sukanya as Poongodu ; Goundamani ; Kavitha as Lakshmi ; Senthilnathan as Mirasu ; Senthamarai ; Venniradai Moorthy as Kanakku ; Nizhalgal Ravi as Selvanayagam ; C. R. Saraswathi as Selvanayagam's wife ; Vadivelu ; Swamikannu ; Bayilvan Ranganathan ; Ashwani Kumar ; Paal ; M. Rajkumar ; Kokila as Kannatta ; Babitha ; V. R. Thilakam ; Vasantha ; Sharmili ; Vasanthi ; Suseela Patti ; Baby Pushpa ; V. Thamilazhagan 
Title: Ilavarasu
Content:  Ilavarasu is an Indian cinematographer and actor, who works in the Tamil film industry (Kollywood). He started his career as a cinematographer and worked for 13 films, winning a Tamil Nadu State Film Award for one of them. He, however, became better known as an actor, after he debuted and appeared in pivotal roles in Bharathiraja's and Cheran's films. He starred in over 160 Tamil films, mostly in supporting roles.
Title: Ilavarasi
Content:  Ilavarasi is an Indian actress. She has appeared in Tamil, Telugu, Malayalam and Kannada cinema. She was one of the prominent lead actresses from 1982-1992. Her popular lead roles are vatsalyam along with Mammootty and Visu' s Samsaram Adhu Minsaram. She is credited as Ilavarasi in Tamil, Kalpana in Telugu and Manjula Sharma in Kannada.She is best known for her supporting roles in late 1990s.
Title: Ilavarasi (TV series)
Content:  Ilavarasi is a 2010 Indian Tamil-language soap opera that aired Monday through Saturday on Sun TV from 18 January 2010 to 1 November 2014 at 1:30PM IST for 1263 episodes. It had been receiving the highest ratings of Tamil serials and received high praising from viewers. The show starred Santhoshi, Shrikar, Rachitha Rachu, Subhalekha Sudhakar, Arun Kumar, Anuradha Krishnamoorthy and among others. It was produced by Radaan Mediaworks Raadhika and director by N.Santanam, O.N Rathnam, M.K Arunthavaraja and Sulaiman K.Babu. It also airs in London Tamil Channel on IBC Tamil from 2016.
Title: Minsaram
Content: Yuvaraj as Ilavarasu ; Madhuchanda as Aarthi ; Thol. Thirumavalavan as Thamizharasan ; Ajay Pradeep as Ajay, Ilavarasu's friend ; Adith as Ilavarasu's friend ; Kannan as Ilavarasu's friend ; Babu as Ilavarasu's friend ; Sougandhi as Kathir ; Muthuswamy as Kottai Kumaraswamy ; Rajendranath as ACP Venkatesh ; Bala Singh as Sundaramoorthy, Ilavarasu's father ; Rama as Ilavarasu's mother ; Kadhal Sukumar as Ilavarasu's friend ; Nellai Siva as Thooyavan ; Myna Nandhini as Jaya's friend ; Kovai Senthil as Tamil Professor ; Anju as Minister ; Lollu Sabha Balaji as Thamizharasan's assistant ; Selvakumar as Politician ; Nivetha as Nivetha ; Suraj ; R. S. Nathan ; Imran ; Kavita Banerjee ; Rekha ; Nagu Pinky in a special appearance ; Gana Ulaganathan in a special appearance ; Sujibala in a special appearance 
Title: Ilavarasu
Content:  According to T. Saravanan of The Hindu, Ilavarasu's debut film was to have been the unproduced Tamil film Top Tucker, and instead became Oru Kaidhiyin Diary (1984). However, Malathi Rangarajan of the same paper says he first appeared in a minuscule role in Bharathiraja's 1987 film Vedham Pudhithu.
Title: Iruvar Ullam
Content:  Iruvar Ullam was directed by L. V. Prasad and produced by A. Anand under Prasad Movies. The film is based on Lakshmi's novel Pen Manam, which was previously adapted into the Telugu film Bharya Bhartalu (1961). The screenplay was written by M. Karunanidhi, who received a salary of inr 20000. Cinematography was handled by K. S. Prasad and the editing by A. Sanjeevi. The filming was held in places like Kodaikanal, Kanyakumari and Bangalore. One scene in the film called for an aggressive performance by B. Saroja Devi. Sivaji Ganesan sought to outdo her acting in the scene. While it was being filmed, Prasad stopped filming and told Ganesan that he should not upstage Saroja Devi as the scene required her to dominate, and if Ganesan did so it would ruin the film. Ganesan complied, and at Prasad's request, underplayed his role. Iruvar Ullam was the final Tamil film directed by Prasad. The final length of the film was 35,441 feet (4,543 m).
Title: Sreenivasan
Content:  Sreenivasan (born 6 April 1956) is an Indian actor, screenwriter, director, dubbing artist and producer who predominantly works in Malayalam cinema. Sreenivasan has starred in over 200 films. Considered among the best screenwriters of Malayalam cinema, he is known for his rich and detailed screenplays based on the social and political scenario of Kerala. Sreenivasan wrote the screenplays of films such as Odaruthammava Aalariyam (1984), Sanmanassullavarkku Samadhanam (1986), Gandhinagar 2nd Street (1986), Nadodikkattu (1987), Pattanapravesham (1988), Varavelpu (1989), Thalayanamanthram (1990), Sandesam (1991), Midhunam (1993), Mazhayethum Munpe (1995), Azhakiya Ravanan (1996),  Oru Maravathoor Kanavu (1998), Udayananu Tharam (2005), Katha Parayumpol (2007), and Njan Prakashan (2018) among which the latter is one of 
Title: Selvaraghavan
Content:  Selvaraghavan is an Indian film director and screenwriter who has directed predominantly Tamil films. He debuted with Thulluvadho Ilamai (2002) but his father is credited for business reasons, which stars his brother Dhanush, Selvaraghavan went on to make a series of romantic drama films with Kadhal Kondein (2003) (also starring Dhanush) and 7G Rainbow Colony (2004) before also venturing into coming-of-age films Pudhupettai (2006) and Mayakkam Enna (2011), both starring Dhanush. He has also ventured into making science fiction and fantasy films, such as depicting a fantasy Chola kingdom in Aayirathil Oruvan (2010) and a parallel universe in Irandam Ulagam (2013). He has been critically acclaimed for his directorial skills.

Question: Who was the screenwriter for Ilavarasan?
Answer: Senthilnathan.
Senthilnathan Jambulingam.