Question: What singer, with the birthname Ashutosh Ganguly Bengali, performed songs for the movie Polam Pol ?

full_context: Document 1: Haider (soundtrack): Haider is the soundtrack album, composed by Vishal Bhardwaj, to the 2014 Hindi film of the same name. The film, directed by Vishal Bhardwaj, stars Shahid Kapoor, Shraddha Kapoor, Tabu and Kay Kay Menon in key roles. The film is produced by Siddharth Roy Kapur and Bhardwaj. The soundtrack album features nine tracks, and was released on 15   2014 (2014--) on the record label Junglee Music. Vishal Bhardwaj and Sukhwinder Singh won the National Award for Best Music Direction of Songs and Best Male Playback Singer respectively.
Document 2: Arjun (singer): Arjun Coomaraswamy, known by his stage name Arjun, is a British singer-songwriter, record producer and actor born in Colombo, Sri Lanka. He is a multi-instrumentalist, and plays the guitar, piano, bass, drums and flute, in addition to singing and beat-boxing. He gained fame through his online musical performances. He is signed with T-Series.
Document 3: Aashiqui 2 (soundtrack): Aashiqui 2 is the soundtrack to the 2013 Bollywood romance film of the same name, directed by Mohit Suri and starring Aditya Roy Kapoor and Shraddha Kapoor in the lead roles. The album was produced by Bhushan Kumar and Mahesh Bhatt under the banner T-Series and Vishesh Films. the songs of the film were mostly composed by Jeet Gannguli, although Mithoon and Ankit Tiwari composed two songs each (including both versions) as guest composers. Irshad Kamil wrote lyrics for most of songs on the album. Sandeep Nath wrote both versions of "Sunn Raha Hai", while Mithoon wrote "Tum Hi Ho" and Sanjay Masoom wrote "Bhula Dena". Arijit Singh sang six of the songs on the album. The music became very popular after its release on 8 April 2013, with songs "Tum Hi Ho" and "Sunn Raha Hai" topping the charts across various platforms in India. Jeet Gannguli reused the tune from his own Bengali composition "Mon Hariye Beghorey" for "Milne Hai Mujhse Aayi".
Document 4: Ashkan Kooshanejad: Ashkan Kooshanejad, (Persian: اشکان کوشانژاد; born August 13, 1985) also known as Ash Koosha is an Iranian multi-instrumentalist composer, record producer, film director and futurist living in London, United Kingdom. He mainly plays synthesiser, bass and guitar. He played the lead role in an Iranian-Cannes jury prize winner docufiction film by director Bahman Ghobadi called "No One Knows About Persian Cats", which follows his band's story scouring the Iranian underground music scene trying to find musicians to play in a festival in the UK.
Document 5: DJ Khushi: DJ Khushi is a disc jockey in India and has been awarded the Most Popular Bollywood DJ award. Because of his frequent appearances, Khushi is also known as the official DJ of Shahrukh Khan. He was the opening DJ during Tiesto's Delhi Gig. In 2016, he headlined the Sunburn Music Festival with Hardwell, the world's No.1 DJ. In Dec'16, Ellie Goulding and Nervo performed alongside DJ Khushi. Khushi has also performed with LMFAO, Edward Maya and Akcent.
Document 6: List of Waheed Murad songs: Waheed Murad had been picturised in more than 250 Urdu and Punjabi songs including one song sung by Waheed himself in the film "Ishara". Ahmed Rushdi, Mehdi Hassan, Masood Rana, A. Nayyar, Mujeeb Aalam, Asad Amanat Ali Khan, Ghulam Abbas, Rajab Ali, Akhlaq Ahmed, Mehboob Pervaiz, Muneer Hussain, Bashir Ahmad, Shaukat Ali, Amanat Ali Khan, Ghulam Ali, Rafiq Chaudhary and Saleem Raza had sung for Waheed Murad in different films. Among them Ahmed Rushdi became very famous playback singing voice for Waheed Murad. Following is the list of songs picturised on Waheed Murad:
Document 7: Malkit Singh: Malkit Singh, MBE (Punjabi: ਮਲਕੀਤ ਸਿੰਘ ) (born Malkit Singh Boparai; 13 September 1962) is an England-based Punjabi bhangra singer. Born in Hussainpur and raised in Nakodar, he moved to Birmingham in 1984. Singh is the first Punjabi singer to be honoured with an MBE by Queen Elizabeth II at Buckingham Palace. He is most famous for the songs "Gur Nalo Ishq Mita", "Tootak Tootak Tootiyan", "Kurri Garam Jayee", "Dekh li vilyait", "Chal Hun", and "Jind Mahi", the latter two from the soundtrack to the popular film "Bend It Like Beckham".
Document 8: Ash King: Ash King (born Ashutosh Ganguly Bengali: আশুতোষ গাঙ্গুলী ) is a singer of Bengali and Gujarati origin based in London. He made his playback singing debut in Rakeysh Omprakash Mehra's Delhi-6.
Document 9: Badshah (rapper): Aditya Prateek Singh Sisodia, better known by his stage name Badshah, is an Indian rapper known for his Hindi, Haryanvi, and Punjabi songs. He started his career in 2006 alongside Yo Yo Honey Singh in his group Mafia Mundeer and gained spontaneous popularity among youth. He split from Honey in 2012 and gained fame with his independent Haryanvi song "Kar Gayi Chull", which was later adopted into Bollywood movie. His music has been featured in Bollywood soundtracks for films such as the 2014 film "Humpty Sharma Ki Dulhania". and Sonam Kapoor starrer "Khoobsurat" (2014).
Document 10: Andrew Ashong: Andrew Ashong is a British-Ghanaian Soul singer-songwriter, DJ and producer from Forest Hill in South London. He spent his teenage years searching for records and by 16 he was DJing and working on his own productions. Andrew Ashong has released two EPs: "Flowers" with Theo Parrish (2012) and the "Andrew Ashong" EP (2014), which moved away from the dance floor sound of "Flowers" and interjected more soul and jazz inspired rhythms and textures "A release less targeted to the dance floor, it instead chooses to retrospectively immerse in the ethics of true music". He also featured on "Day like This/Feel Loved" by Tony Allen and Theo Parish (2013). Paul Lester of "The Guardian" has compared him to Shuggie Otis, Roy Ayers, Bill Withers and Lewis Taylor in his "New Band of the Day" feature.
Document 11: Nakash Aziz: Nakash Aziz (born February 24, 1985), also known as Nakash, is an Indian playback singer and music composer. He has assisted the legendary composer A. R. Rahman on films like "Highway", "Raanjhanaa", "Rockstar", "Delhi 6" and "I" in Hindi. He is popularly known for playback of songs like "Jabra Fan" from "Fan",<ref name="http://www.deccanchronicle.com/ 2016"> </ref> "Sari Ke Fall Sa" and "Gandi Baat" from the film "R... Rajkumar" (2013) and "Dhating Nach" from film "Phata Poster Nikhla Hero" (2013); the latter two films of which were picturized on Shahid Kapoor.
Document 12: Marti Pellow Sings the Hits of Wet Wet Wet &amp; Smile: Marti Pellow Sings the Hits of Wet Wet Wet &amp; Smile
Document 13: Siddharth Mahadevan: Siddharth Mahadevan is an Indian playback singer and composer who is known for his songs in the film "Bhaag Milkha Bhaag" in which he sang "Zinda" and the rock version of the title song "Bhaag Milkha Bhaag". He got further acclaim for the song Malang by music director Pritam in the movie Dhoom 3. He has also composed music for the Marathi film "Swapna Tujhe ni Majhe" with his cousin Soumil. he also composed all the songs of a Marathi movie sugar salt ani prem with his cousin Soumil Shringarpure
Document 14: Asad Shan: Asad Shan is a British Actor, Fashion Model, TV presenter. He is an ex Investment Banker having worked for the likes of ABN AMRO, HSBC and Thompson Financials. He was crowned Mr. Asia UK 2004. His first feature film 7 Welcome to London saw him make his big screen debut as well as his directorial debut. It received massive critical and commercial acclaim after its UK release and has gone on to become the most successful British made Hindi language film in the UK. Shan's other notable appearances include being a veejay for B4U Music and he is currently on Zee TV's Zing as a host for weekend film show"Brits Bollywood" and daily rude tube show "Grinds My Teeth". Shan has also starred in New York Film Academy and Lee Strasberg Theatre Institute productions of the well-renowned East is East and The Glass Menagerie. He has recently endorsed campaigns for major brands like Sky Digital, HSBC and most recently - One For The Boys, a charity chaired by Samuel L. Jackson.
Document 15: Polam Pol: Polam Pol features songs sung by Farhad Bhiwandiwala, Nakash Aziz, Palak Muchhal, Shree Dayal, Ash King. Music and Background Score for the film is composed by Paresh-Bhavesh. The soundtrack was launched on 19 January.
ground_truth: Ash King