Question: Dhyan Sreenivasan made his debut in a film directed by his brother who is best know for his work in what?

full_context: Document 1: Naveen KP: KP Naveen (born 10 September 1981) is a Music director and percussionist in the Telugu film industry. He plays rhythm pad in television shows and has performed in various live shows along with legendary singers. He is also a sound engineer and an actor. He has acted in the television soap "Sri Sai Manasa Vasistyam", which was telecasted in a regional Telugu channel. From 2006 to 2015, he assisted popular Telugu music director MM. Srilekha, who is the only female music director in the Indian film industry and has her name in the limca book of records. He is the MUSIC DIRECTOR of a Hindi movie- "Do Nawabs Hyderabad Kay".
Document 2: Mohanlal: Mohanlal Viswanathan Nair (born 21 May 1960), better known as Mohanlal, is an Indian actor, producer and singer best known for his work in Malayalam cinema.
Document 3: Thira (film): Thira (English: "Wave") is a 2013 Indian Malayalam thriller film directed by Vineeth Sreenivasan and scripted by his cousin Rakesh Mantodi. It stars Shobana alongside debutant Dhyan Sreenivasan in the lead roles. The film was produced by Manoj Menon under the banner ReelsMagic and distributed by LJ Films. "Thira" was announced to be the first installment in a trilogy of thriller films. According to Srinivasan, the film was inspired from the book "The Road of Lost Innocence: The True Story of a Cambodian Heroine" by Somaly Mam.
Document 4: Dhanish Karthik: Dhanish Karthik (born 24 July 1989) is an Indian actor. He made his debut as Sanjeev Menon in the Malayalam film "Ivide" (2015) directed by Shyamaprasad. He recently finished filming for the Bollywood film Chef (2017 film) with Saif Ali Khan. The film, directed by Raja Krishna Menon, is slated to release in July 2017. This will be Karthik's debut in Bollywood.
Document 5: Vineeth Sreenivasan: Vineeth Sreenivasan (born 1 October 1985) is an Indian playback singer, lyricist, film actor, director, producer and screenwriter best known for his work in Malayalam cinema.
Document 6: T. Sreenidhi: T. Sreenidhi(Srinidhi | Sreenidhi Venkatesh) (born 26 January 1990), is an eminent Carnatic Musician, Playback Singer and Music Director. Sreenidhi performed in major sabhas in India and presented her concerts in many destinations around the world. She received multiple awards and honours. Sreenidhi trained under legendary vocal stalwart Sangita Kalanidhi Dr. Nedunuri Krishnamurthy.
Document 7: Sajid Yahiya: Sajid Yahiya is an Indian film actor and director known for his work in Malayalam cinema. He made his acting debut in "Collector" directed by Anil C Menon. His second movie," Friday" was the directorial debut of Lijin Jose. He was then approached by Roopesh Peethambaran to play a role in Theevram. After this, he acted on "Kaashh", "Arikil Oraal", and "Amen". Other notable films Include "Pakida" and" Bangalore Days". He made his directorial debut through Malayalam action-comedy film IDI - Inspector Dawood Ibrahim.
Document 8: Drishya: Drishya (Kannada: ದೃಶ್ಯ , English: "Visual" ) is a 2014 Indian Kannada language drama thriller film directed by P. Vasu and starring V. Ravichandran and Navya Nair in the lead roles. It is the remake of the 2013 Malayalam film "Drishyam", directed by Jeethu Joseph and starring Mohanlal and Meena. The supporting cast feature an ensemble of Achyuth Kumar, Prabhu Ganesan, Asha Sarath, Swaroopini Narayan, Unnathi and Rohith B.
Document 9: Divya S. Menon: Divya S. Menon (born 14 March 1987) is an Indian singer and television anchor from Kerala. Divya is a playback singer in Malayalam who has also recorded songs for Tamil and Telugu films. Divya started anchoring musical shows in Asianet Cable Vision (Thrissur) and has done musical shows in YesIndiavision(Mementos) and Kairali Channels(Ganamela, Sing 'N' Win and Rain drops). She started her film career with Ee Pattanathil Bhootham. She was noticed by Shaan Rahman while anchoring music shows and picked her for Vineeth Sreenivasan - Shaan Rahman debut album, Coffee @ MG Road. She is associated with Blogswara and have sung in multiple albums in the series. Divya has sung in Vineeth Sreenivasan's super hit romantic movie, Thattathin Marayathu composed by Shaan Rahman. She has been associated with Vineeth - Shaan ventures, including Malarvadi Arts Club. In 2014 the hit wedding song "Thudakkham Maangalyam" from Anjali Menon's Bangalore Days gave her much popularity which she sang along with along with Vijay Yesudas and Sachin Warrier composed by Gopi Sunder. In 2015 Divya was noticed more promptly when she sang the song "Puthumazhayai" from Martin Prakkat's Charlie (2015 Malayalam film) composed by Gopi Sundar while the same song was sung by Shreya Ghoshal too. She also sang several ad jingles for various music composers both in Malayalam and Tamil.
Document 10: Aadukalam Naren: Narayanan is an Indian film actor who has appeared in Tamil language films. He made his début in 1997 film "Raman Abdullah" but he got noticed for his role in the 2011 film, "Aadukalam" directed by Vetrimaaran. He earlier appeared in Balu Mahendra's television series "Kathai Neram".
Document 11: Dhyan Sreenivasan: Dhyan Sreenivasan is an Indian film actor known for his Malayalam films. He made his debut in 2013 with "Thira", directed by his elder brother Vineeth Sreenivasan.
Document 12: Sachin Movie (Malayalam): Sachin is a 2018 Indian Malayalam-language Romantic Comedy Film directed by Santhosh Nair, starring Dhyan Sreenivasan, Aju Varghese, Hareesh Kanaran Ramesh Pisarody, Sarath Appani, Renji Panicker, Maniyanpillai Raju, Juby Ninan, Kochupreman, Balaji Sarma, Nikki Galrani, Anna Rajan, Maala Parvati, Reshmi Boban, Sethu Lakshmi, Elizabeth, Valsala Menon, Lija and so on. Sachin is a funfilled romantic film, pitched against the backdrop of cricket. The story revolves around a boy who born on the auspicious day when Sachin Tendulkar hit his another century. After watching Sachin's performance, Viswanathan got excited and named his son as Sachin. The film is expected to release on January 2018.
Document 13: S. P. Venkatesh: S. P. Venkatesh is a music director and composer popular for his works in the Malayalam film industry.His father Pazhani was an accomplished Mandolin player.During his early days S.P.Venkatesh used to be adept at playing Guitar,Banjo and Mandolin.He was an assistant music director to Shyam and Raveendran Master during his early days. S. P. Venkatesh was introduced into the Malayalam film industry by Dennis Joseph. The major break for S. P. Venkatesh came in the form of the film "Rajavinte Makan", directed by Thampi Kannanthanam. The film and the songs in it turned out to be big hits. From then on he became an integral part of Thampi's ventures. It was Thampi kannanthanam who exploited the musical talents of S.P.Venaktesh which resulted in a series of musical hit albums during the nineties. He soon became one of the top music directors of the early and mid-nineties. "Indrajaalam", "Kilukkam", "Minnaram", "Sphadikam", "Dhruvam", "Kauravar", "No.20 Madras Mail", "Manthrikam" were among the influential film scores he created.
Document 14: Vijay discography: Vijay is an Indian actor and playback singer who works mainly in Tamil language films. He has sung for composers including Yuvan Shankar Raja, Harris Jayaraj, Deva, Anirudh Ravichander, G. V. Prakash Kumar, Santhosh Narayanan and Devi Sri Prasad. He initially had sung songs for his own films, starting with "Bombay City" from "Rasigan", before also recording songs for other actors such as "Naa Dhum Adhikkura" for actor Suriya for the film "Periyanna".
Document 15: Suriya: Saravanan Sivakumar, known by his stage name Suriya, is an Indian film actor, producer and television presenter, best known for his work in Tamil cinema. After making his debut in "Nerukku Ner" (1997), Suriya landed his breakthrough role in "Nandha" (2001) and then had his first major commercial success with the thriller "Kaakha Kaakha" (2003). Following award-winning performances of a conman in "Pithamagan" (2003) and a hunchback in "Perazhagan" (2004), Suriya played a patient suffering from anterograde amnesia in the 2005 blockbuster "Ghajini". He rose to stardom with dual roles of a father and son in Gautham Menon's semi-autobiographical "Vaaranam Aayiram" (2008). His status as an action star was established with roles of a smuggler in "Ayan" (2009), and an aggressive cop in the "Singam" trilogy ("Singam", "Singam II" and "S3"). Suriya has also found success with science fiction films like "7aum Arivu" (2011), "Maattrraan" (2014), and "24" (2016). As of 2017, he has won three Tamil Nadu State Film Awards and four Filmfare Awards South.
ground_truth: Malayalam cinema