Question: Kanchenjunga Express has songs by the playback singer based out of what city?

full_context: Document 1: Arnab Jan Deka: Arnab Jan Deka is a novelist, short story writer, poet, playwright, screenwriter, documentary film director, columnist, TV actor, jurist, river engineer and eco-technocrat. He authored 131 fiction and non-fiction books (two of them being co-authored with British and American authors respectively) and edited 14 more books in English, Assamese, Hindi and Bengali. He was also editor of a journal and a newspaper. India Government's official Academy of Letters Sahitya Academy incorporated his biography as one among the top Indian writers of the 20th Century in the End Century Edition of "Who's Who of Indian Writers 1999". 'NE Live' listed him as one of the "Top 5 Contemporary Writers from Assam who have made it big outside the state also" which include such other literary stalwarts like Dr Indira Goswami, Homen Borgohain and Nirupama Borgohain, who "have not only contributed to the literary wealth of the state, they have also enlightened the world about the life and culture of Assam through their writing." In a critical literary essay 'New generation of storytellers' he has been described as one among "the bunch of most powerful storytellers" who "delved deep into the spiritual and intellectual heritage along the Brahmaputra valley, and also highlighted its environmental fragility."
Document 2: Aniruddha Bhattacharya: Aniruddha Bhattacharya is a professional playback vocalist in the Telugu film industry. He hails from Kolkata, West Bengal. He started singing at the age of 5 and underwent training in Indian Classical Music under several stalwarts the most recent being Pt. Falguni Mitra of Bettiah Benaras Gharana. He has acquired many styles of singing including the steadiness and open voiced recitals required in Dhrupad and Dhamar. As he progressed through his teens and matured as a singer he took up commercial singing guided by Mr. Prabir Karmakar and Mr. Buddhadeb Ganguly (stalwart music composer and guitarist). He also underwent training in Classical and semi classical music under Pt. Jayanta Sarkar, Rabindra Sangeet under Pt. Agnibho Banerjee and Mr Anutosh Chatterjee. Taking his inclination towards instruments to the next level he pursued learning Table under the legendary Tabla Guru Pt. Sujit Saha and Guitar under the immensely respected Mr. Amyt Datta.
Document 3: Shashanka Ghosh: Shashanka Ghosh is an Indian filmmaker. As a director, he is known for small budget films with powerful performances and a strong story line. As a writer, he penned the story for Aisa Bhi Hota Hai and Waisa Bhi Hota Hai Part II. His other works include Quick Gun Murugan and Mumbai Cutting.
Document 4: Nabab: Nabab is a 2017 film directed by Joydeep Mukherjee and stars Bangladeshi film actor Shakib Khan. The film is an Indian-Bangladeshi joint venture produced by Abdul Aziz and Himanshu Dhanuka under the banner of Jaaz Multimedia and Eskay Movies. The story revolves around an intelligence agent from Bangladesh (Shakib Khan) tasked with a secret operation in West Bengal, India. The film also stars Subhasree Ganguly as Khan's love interest and features Sabyasachi Chakrabarty, Amit Hasan, Kharaj Mukherjee, and Aparajita Adhya in supporting roles. The soundtrack album and background score of the film was composed by Savvy Gupta and Akassh. The film was released on 26 June 2017 on the occasion of Eid in Bangladesh and will be released in India on 28 July 2017.
Document 5: Rock music of West Bengal: Rock music of West Bengal originated in Kolkata, West Bengal, India. The first known Bengali rock band, and India's first rock band, was Moheener Ghoraguli. In modern times, in this type of music distorted electric guitars, bass guitar, and drums are used, sometimes accompanied with pianos and keyboards. In early times the instruments used in modern times were also accompanied by saxophone, flute, violin and bass violin.
Document 6: Bengal Film Journalists' Association – Best Male Playback Award: Bengal Film Journalists' Association – Best Male Playback Award
Document 7: Sujan Mukhopadhyay: Sujan Mukhopadhyay (also known as Neel Mukherjee) is a Bengali film, television and theatre actor. In 2012 he made his directorial debut with the film "Ghete Gho". He is an active Member of the renounced Theatre Group Chetana. On February 22, 2016 his directorial debut, in the field of Theatre, "Ghashiram Kotwal",which is an adaptation on Marathi play, was premiered.
Document 8: Kanchenjunga Express (film): Kanchenjunga Express is a 2012 Indian Bengali film directed by Arnab Ghosh. It was Ghosh's début. "Kanchenjunga Express" is a woman-centric film that unfolds in a train with a lot of suspense. The music is scored by Souvik Gupta and has songs by Rupam Islam, Usha Uthup and Kunal Ganjawala.
Document 9: Hemanta Mukherjee: Hemanta Mukherjee ((16 June 1920 – 26 September 1989); often credited as Hemant Kumar outside Bengal) was an Indian playback singer, music director and film producer, who sang in Bengali, Hindi and other Indian languages. He is also the greatest artist of Rabindra Sangeet. He won two National awards for the category best male playback singer. He is often credited as one of the greatest Indian singers of all time for his unparalleled manly voice.
Document 10: Chal Pichchur Banate Hain: Chal Pichchur Banate Hain is a Hindi family comic drama film, the debut film of writer and director Pritish Chakraborty. The film was released all over on 7 September 2012. The film is a delightful satirical take on the Hindi film industry and was appreciated for its fresh and cinematic content. Filming of the movie took place primarily in Goa and Mumbai. Made on a shoestring budget the film explores themes like rampant copy paste in the film industry, the lack of originality in ideas, the prevailing star system alongside the unending passion of a true cinema lover in a humorous but realistic way through the brilliantly portrayed journey of a young MBA who quits everything and goes against everyone in order to pursue his dream of becoming a filmmaker. Screenplay, Dialogues and Direction of this 2012 film is by Pritish Chakraborty, Music is by Gaurav Dagaonkar, Cinematography is by Hari Nair while the film is edited by debutante editor Amardeep Singh Khichi.
Document 11: Rupam Bhuyan: Rupam Bhuyan (Assamese: ৰুপম ভূঞা; born 6 March 1980) is an Indian playback singer from Assam. He is the frontman of the Indian fusion band "North East Breeze". He sang in numerous Assamese films including Khobh, Anuradha, Mumtaz and Akash Chuboloi Mon. He was nominated for Prag Cine Awards-2013 and Prag Cine Awards-2015 in the "Best Playback Singer (male)" category for the films Mumtaz and Khobh. Got the Award in 2013. He was nominated in the Best Male Playback Singer of Assam category for Ramdhenu Viewers choice award 2015-16 for the song "Enekoye Lahe Lahe". He composed the theme song for prestigious Jeevan Kite and River Festival-2015 as a tribute to the river Brahmaputra.
Document 12: Hussain Faisal: Hussain Faisal is an Islamic professional reciter, music producer and composer from the Bahrain. He was born in the city of Bani Jamra, Bahrain where he grew up with his 2 brothers and 2 sisters until his late twenties. At that time, he studied and finished his high school then went to the University of Bahrain where he received his bachelor degree in BIS (Business Information Systems). Then he started his Music Production and arrangement career focusing on the Islamic music productions mainly and Arabic in general with some vocal coaching from time to time. He started his Islamic professional singing (reciting) career at the Early 2000's. In 2014, in the month of Muharram, his album (Ard Anishdak) gained multiple millions of views to his video clips on his YouTube channel. He is one of very few Islamic singers whose YouTube channels have been legitimately "Verified" by The YouTube Copyright community and his copyrights are managed by Bint-Alhuda media company in Lebanon. He's well known for his recent 3 Albums and his songs (latmiyat) had a fair opportunity to be viewed on various Islamic TV Channels and aired on few Islamic radio broadcasts as well. He has recited in Bahrain, Oman, Saudi Arabia, Iraq, London, Lebanon and Iran.
Document 13: Sujit Mondal: Sujit Mondal (Bengali: সুজিত মন্ডল) is an Indian successful film director in Bengali cinema. He was born in West Bengal. He began his film career in Bollywood film industry ( mumbai), where he was an associate director to Vikram Bhatt .. films like Ghulam, Kasoor, Raaz, Aap Mujhe Achche Lagne Lage, Jurm, Awara Paagal Deewana, Footpath, Deewane Huye Paagal, Inteha, Aetbaar, Ankahee, Elaan , 1920 etc has done ... He started Bengali film directing in 2009... shri venkatesh films and surinder films joint venture’s Family drama “Saat Paake Bandha” was his first film. then youth comedy romance “Bolo Na Tumi Aamar” le paglu dance songs, musical romantic film 'Sedin Dekha hoyechilo'.. khoka babu jay lal juto paye song was talk of the town , musical family drama 'Romeo' .. first time introduced motion control camera in Tollywood in the title song "Ami Holam Romeo, romance comedy drama 'Paglu 2', P.B films comedy flick 'Bawali Unlimited', hardcore thrilling action packed 'Rocky' he introduced mimoh mithun chakrabary’s son in film rocky, reincarnetion and periodically ghost drama "Arundhati". eskay movies youth action comedy romance "HERO 420" ... most of his film got super hit, megha hit tittled... he is the most talented and respected techniician in bengali film industry. Now Mr. Mondal is shooting for his film 'anneswan' based on novel of great writer prafullo roy for production vabna aaj o kal……
Document 14: 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.
Document 15: A. R. Rahman: Allah-Rakha Rahman (   , born A. S. Dileep Kumar), is an Indian composer, singer-songwriter, music producer, musician and philanthropist. A. R. Rahman's works are noted for integrating Indian classical music with electronic music, world music and traditional orchestral arrangements. Among his awards are two Academy Awards, two Grammy Awards, a BAFTA Award, a Golden Globe, four National Film Awards, fifteen Filmfare Awards and sixteen Filmfare Awards South. He has been awarded the Padma Bhushan, the third highest civilian award, in 2010 by the Government of India.
ground_truth: Kolkata