Question: What is the name of the pop band founded by one of the stars of Aisa Yeh Jahaan?

full_context: Document 1: Palash Baran Pal: Palash Baran Pal (Bengali: পলাশ বরন পাল "Palāś Baran Pāl", born : 1955) is an Indian theoretical physicist, a senior professor at Saha Institute of Nuclear Physics, Kolkata, a writer, a linguist and a poet. His main area of research is Particle Physics. His works in the area of neutrino physics and relativistic treatment of particle properties in matter are well recognized in the particle physics community. Apart from his scientific contributions, he has authored well known text books in physics as well as several popular science literature in Bengali to popularize science.
Document 2: List of Telugu films of 2015: The top films released in 2015 by worldwide box office gross revenue are as follows:
Document 3: Ely Buendia: Eleandre "Ely" Basiño Buendia (born November 2, 1970) is a Filipino musician, writer and director who gained fame as guitarist, songwriter and lead vocalist of the popular Filipino rock band Eraserheads. His compositions gained success and critical acclaim, topping various music charts, and are now considered classics. Widely regarded as one of the most respected music icons in the country, he currently performs as guitarist and lead vocalist for Pupil, The Oktaves and Apartel.
Document 4: Deva (composer): Devanesan Chokkalingam, popularly known as Deva, is an Indian film composer and singer. He has composed songs and provided background music for Tamil, Telugu, Malayalam and Kannada films in a career spanning about 20 years. Many know his gaana songs, written mostly using Madras Tamil. He is known as the "Father of Gaana Genre" in the Tamil film industry.
Document 5: Capital I: ‘Capital I’ is a 2015 Odia language independent feature film written and directed by Amartya Bhattacharyya. This film, tagged as an existential psychodrama, is the first independent feature film of Odisha. The film is produced by Susant Misra and Swastik Choudhury. This film is shot on a shoe-string budget without any film industry involvement. This film marks the feature film debut of Amartya Bhattacharyya as a writer, director, cinematographer and editor. All actors in this film are non-professional actors, and all of them make their feature film debut in ‘Capital I’. Kisaloy Roy makes his debut as a music director, and so does Amrita Chowdhury as a Choreographer.
Document 6: Masaan: Masaan ("Crematorium") is a 2015 Indian Hindi-language drama film directed by Neeraj Ghaywan. The directorial debut film is an Indo-French co-production produced by Drishyam Films, Macassar Productions, Phantom Films, Sikhya Entertainment, Arte France Cinema and Pathé Productions. It was screened in the Un Certain Regard section at the 2015 Cannes Film Festival winning two awards. Ghaywan previously assisted Anurag Kashyap on "Gangs Of Wasseypur".
Document 7: Aasal: Aasal ("Original") is a 2010 Indian action film directed by Saran. The film stars Ajith Kumar in the lead role, who is also credited for the story, dialogues, screenplay and co-direction of the film, while Sameera Reddy and Bhavana play the lead female roles. The film features an extensive cast, with Prabhu, Suresh, Sampath Raj and Rajiv Krishna playing prominent roles, among others. The film, produced by Prabhu Ganesan of Sivaji Productions, features music primarily composed by Bharathwaj, cinematography by Prashanth D. Misale and editing by Anthony Gonsalves.
Document 8: Utpala Sen: Utpala Sen (12 March 1924 - 13 May 2005) was a prominent Indian Bengali playback singer. She was a very popular playback singer in the 1950s alongside Sandhya Mukherjee, Pratima Banerjee and Alpana Banerjee etc. She has sung numerous duets with prominent male singers such as Hemanta Mukherjee, Manna Dey and also her husband, Satinath Mukherjee.
Document 9: P. Susheela: Pulapaka Susheela, commonly known as P. Susheela, is an Indian playback singer associated with the South Indian cinema for over six decades. She has been recognized by both the "Guinness Book of World Records" and the "Asia Book of Records" for singing most number of songs in Indian languages. She is also the recipient of five National Film Award for Best Female Playback Singer and numerous state awards. Susheela is widely acclaimed as a singer who defined feminism in South Indian Cinema and is well known for her mellifluous vocal performances for over 40,000 film songs across South Indian languages.
Document 10: Nitya Mehra: Nitya Mehra is a Bollywood film director and screenwriter. After working in television and as assistant director in films like Ang Lee's "Life of Pi" and Mira Nair's "The Namesake", and "The Reluctant Fundamentalist", she made her directorial debut with Eros Now's romantic drama "Baar Baar Dekho".
Document 11: Aisa Yeh Jahaan: Aisa Yeh Jahaan is a 2015 Indian drama film, directed and written by Biswajeet Bora and produced by Maya Kholie. The film is India's first carbon neutral film and stars Palash Sen, Ira Dubey and Kymsleen Kholie in lead roles, with Yashpal Sharma, Saurabh Pandey, Tinu Anand, Carol Gracias, Prisha Dabbas and Saurabh Pandey in supporting roles. The film was released on 24 July 2015.
Document 12: Biswajeet Bora: Biswajeet Bora (born 8 August 1979) is an Indian film director, actor, screenwriter and script writer from Assam. He made his directorial debut in Bollywood with the first Indian carbon neutral film "Aisa Yeh Jahaan". He directed the Superhit Assamese film "Bahniman" which was released in 2016.
Document 13: Palash Sen: Palash Sen is an Indian singer, songwriter, musician, composer and actor best known as the founder and frontman of India's pop band Euphoria.
Document 14: Bukuwe Bisare: Bukuwe Bisare (Assamese: বুকুৱে বিচাৰে) is an Assamese language film directed by fashion designer Dipankar Kashyap. It is a debut film of the director produced by his sister Shikha Kashyap and Dipali Chowdhury. The film stars Kapil Bora, Zerifa Wahid and Ravi Sarma. The story is about friendship and love shot in exotic locales in Kalimpong and Sikkim. The lyrics are penned by Prasanta Morang.
Document 15: Rupam Islam: Rupam Islam (born 25 January 1974) is Kolkata-based Indian playback singer, songwriter, composer and the lead singer of the band Fossils. He is a recipient of National Film Award for Best Male Playback Singer. He won the award in 2010, for his work in the film "Mahanagar @ Kolkata". Rupam has been selected to be a member of the Government of West Bengal's cultural committee for music (Bangla Sangeet Academy). He belongs to a Bengali family.
ground_truth: Euphoria