Question: Who was the Indian music composer and singer who won an award in 2003 that worked extensively with Bhaskarabhatla Ravi Kumar?
Context: Bhaskarabhatla Ravi Kumar is an Indian lyricist predominately works in Telugu cinema.  He worked for more than 125 films and penned lyrics for more than 390 songs.  He extensively worked with director Puri Jagannadh and music director Chakri and S. S. Thaman.  He is famous for songs appealing to the masses.  His primary genres are mass, romantic, and melodies.  He won two Santosham Film Awards in 2006 and 2008 and SIIMA award in 2013. Ravi Kumar Narra is an Indian businessman and social worker from Secunderabad, known for his efforts for the upliftment of the dalit community.  He was honoured by the Government of India, in 2014, by bestowing on him the Padma Shri, the fourth highest civilian award, for his services to society. Anne Ravi is an Indian film producer.  Started his career as Executive Producer with film like "Souryam", "Amaravathi (2009 film)", Wanted (2011 film) and currently working on Gopichand & A.S Ravi Kumar's Upcoming movie. Dr R Ravi Kumar graduated from Stanley Medical College and obtained the FRCS from Edinburgh.  He worked at the Harefield Hospital, UK, under Sir Magdi Yacoub involving himself with adult cardiac surgery including heart and lung transplant and aortic homografts.  Dr Ravi Kumar then underwent surgical residency in Boston, MA, United States.  Following this he worked with Dr Albert Starr in Portland, Oregon.  He pursued his cardiothoracic residency at the University of Texas, South Western Medical Center, Dallas, Texas, USA.  He continued at the same institution as an advanced fellow in Heart & Lung Transplant and is UNOS (United Nations Organ Sharing), certifiable for Heart & Lung Transplant. Omkar Prasad Nayyar (16 January 1926 – 28 January 2007) was an Indian film music composer, singer-songwriter, music producer, and musician.  He won the 1958 Filmfare Award for Best Music Director (for "Naya Daur").  Nayyar worked extensively with singers Geeta Dutt, Asha Bhosle and Mohammed Rafi but not with leading Bollywood female singer Lata Mangeshkar.  However, Mangeshkar's song "Ek To Balam Teri Yaad Satayein" (from the 1958 film "Aji Bas Shukriya") was used in the 1973 Hindi film "Taxi Driver", for which Nayyar was music director.  According to music and film expert Rajesh Subramanian, ""Aap Ke Haseen Rukh"" (from "Baharen Phir Bhi Aayengi") was planned with full orchestration but many of the musicians were late for the recording.  After a disagreement with Mohammed Rafi, Nayyar began working with singer Mahendra Kapoor.  Kapoor performed Nayyar's songs ""Badal Jaaye Agar Maali"" and ""Chaman Hotaa Nahi Khaali"" in "Bahaaren Phir Bhi Aayengi".  Based on a Bengali language work by Rabindranath Tagore, Nayyar composed ""Chal Akelaa, Chal Akelaa"" (sung by Mukesh in 1969 film Sambandh). Bhopal: A Prayer for Rain is a 2014 historical drama film set amidst the Bhopal disaster that had occurred in India on 2–3 December 1984.  It is directed by Ravi Kumar and features Martin Sheen, Mischa Barton, Kal Penn, Rajpal Yadav, Tannishtha Chatterjee, and Fagun Thakrar in important roles.  Benjamin Wallfisch composed the film's music.  Kumar got the idea of making a film based on the Bhopal disaster after he read a book based on it.  Shot over a period of 18 months, it was originally slated for a late 2010 release.  However, the lack of responses from distributors kept on delaying the release. Ravi Kumar C (born 1959) is an Indian former footballer.  He played for Hindustan Aeronautics Limited (HAL), Mohan Bengal, Mafalal, Indian Telephone Industries Limited ( ITI ) and the Indian national team primarily as a Midfield, during his 18-year career as a professional footballer.He retired from professional football in 2000. Chakradhar "Chakri" Gilla (15 June 1974 – 15 December 2014) was an Indian music composer and singer in Tollywood films.  He won the Filmfare Award for Best Male Playback Singer – Telugu for "Satyam" (2003). Ravi Varma (born as K Ravi Kumar) is an Indian stunt director, Monty Sharma (born April 17, 1970) is a music composer from India scoring music for Bollywood.  He is popular for being the background music composer for "Black" (2005), "Ram-Leela" (2013) and music director for "Saawariya" (2007).  He is cousin of famous Indian music composer Mithoon & nephew of famous music composer Pyarelal Sharma of popular Indian music composer duo Laxmikant–Pyarelal.
Answer: Chakri