Question: Which Indian music director composed the soundtrack for the film Mehndi?

Context paragraphs:
Jawahar Wattal: Jawahar Wattal (Kashmiri: जवाहर वट्टल , جواہر وٹل ), one of India's top cultural entrepreneurs, music director and producer, is best known for being a pioneer in the Indian non-filmi music field and for shifting the focus of the industry to Delhi.  He best known for working with singers Baba Sehgal and Daler Mehndi in the 1990s.  Over the years he has composed 3,000 jingles, given music for television series like, "The World This Week", "Himalaya Darshan" and "Ru Ba Ru", besides he has composed 73 music albums out of which 19 have gone multi-platinum.

Ravi (music director): Ravi Shankar Sharma (3 March 1926 – 7 March 2012), often referred to mononymously as Ravi, was an Indian music director, who had composed music for several Hindi and Malayalam films.  After a successful career in Hindi cinema, he took a break from the 1970s to 1984, and made a successful comeback under the stage name Bombay Ravi.  He died on 7 March 2012 in Mumbai at the age of 86.

Global Indian Music Academy Awards: The Global Indian Music Academy Awards (also known as the GiMA Awards) are presented annually by Global Indian Music Academy to honour and recognise Indian music.  The nominees are voted by GiMA's jury, who have some of the most respected artistes in the country.  GiMA provides a cohesive platform to celebrate and recognize the immense contribution of those who push the boundaries in Indian Music.  Global Indian Music Academy Awards honor both film and non-film music in separate categories.

Usha Khanna: Usha Khanna (Hindi: उषा खन्ना ; born 7 October 1941) is an Indian music director in Hindi cinema.  She is the third female music director to enter the Indian film industry, after Jaddan Bai and Saraswati Devi and is one of the most commercially successful music directors in the male dominated music industry.  She is most known for songs like "Chodo kal ki baatein", "Shaayad meri shaadi ka khayal", "Zindagi pyaar ka geet hai" and "Aap to aise na the".  She remained active for more than 3 decades from 1960s to 1980s.  She is still active making some music for some movies and television-serials, more than 40 years after her debut as music director in Dil Deke Dekho (1959).  She received a Filmfare Award nomination for composing the songs for the huge hit film "Souten "(1983).  She was married to director, producer, lyricist, Sawan Kumar Tak, from whom she separated later on.

Mehndi (1958 film): Mehndi is 1958 Hindi film produced by A.A. Nadiadwala and directed by S.M. Yusuf.  The music for the film was composed by Ravi.  The film stars Ajit and Jayashree in lead roles.

Vipin Reshammiya: Vipin Reshammiya is an Indian music director.  He was the first music director to incorporate electronic instruments into Indian music.  He is the father of singer and actor Himesh Reshammiya.  He has worked with several music directors such as RD Burman, Laxmikant-Pyarelal, Shankar Jaikishan and his son Himesh.  He also was the music director for the Hindi movies "Adalat Ke Bahar" and "Insaf Kaa Suraj".

Gurdeep Mehndi: Gurdeep Mehndi is a Bollywood actor, music director and singer.  He is the son of Daler Mehndi.

Devi Sri Prasad: Devi Sri Prasad is an Indian music composer, lyricist, singer, and director.  He is best known for his works in the cinema of South India, especially in Telugu cinema.  He has won eight Filmfare Awards, seven of which are Filmfare Best Music Director South Awards and one Special Jury Award, five CineMAA Awards - Best Music Director, & one Nandi Award for Best Music Director.  Devi also choreographed a song in the Telugu film "Kumari 21F".

Sneha Khanwalkar: Sneha Khanwalkar is an Indian music director who works in Hindi films.  She is best known for her score for the film, "Oye Lucky!  Lucky Oye! ", and also for "Gangs of Wasseypur Part 1, Part 2".  She had been nominated in Best Music Director category at the 58th Filmfare Awards for Gangs of Wasseypur Part 1 & Part 2 (credited as music director of "Gangs of Wasseypur").  She is only the second woman to gain a nomination in this category 28 years after Usha Khanna.  .

Maryan (soundtrack): Maryan (English: "The Immortal" ) is the soundtrack album, composed by A. R. Rahman for the 2013 Tamil film of the same name directed by Bharatbala. The film that is produced under the banner Aascar Films stars actor Dhanush and actress Parvathy in the lead roles.  The album was released under the label Sony Music on 13 May 2013, worldwide.  The music received extremely positive critical reception and overwhelming audience response after its release.  It also topped the iTunes India charts for the month of May and June 2013.  Further, for the remaining months of 2013, it maintained its position in the top 10 music album charts.  The soundtrack album was adjudged as "Tamil Album of Year" in iTunes’ Best of 2013.  Rahman won the Norway Tamil Film Festival Best Music Director award and the SIIMA Award for Best Music Director in 2014.  The soundtrack was nominated at the 2014 Edison Awards and Vijay Awards for both best music direction and best background score.  Rahman was also nominated for Filmfare Award for Best Music Director – Tamil but he won the same award for his compositions to "Kadal".

Supporting paragraphs: Mehndi (1958 film) Ravi (music director)
Answer: Ravi