Apna Desh
Apna Desh  is a 1972 Indian Hindi-language drama film, produced by A.V. Subramaniam and T.M.Kittu and directed by Jambu.
The film stars Rajesh Khanna, Mumtaz, Om Prakash, Jagdeep, Mukkamala, Madan Puri and the credited Roja Ramani, who plays Rajesh Khanna's niece Sharda.
The soundtrack is composed by R. D. Burman.
The film was a commercial success.
The film is a remake of the 1969 Telugu film "Kathanayakudu", starring N.T. Ramarao and Jayalalithaa, which was remade into Tamil as "Nam Naadu", starring M. G. Ramachandran and Jayalalithaa.
and was also the inspiration for the 2nd half of the 1991 Kannada movie "Bharjari Gandu".
The child chorus for the song "
Rona Kanhi Nahi Rona" was done by Sandhya Pandit and Vijeyta Pandit, who are elder sisters of music directors Jatin-Lalit.
Peter Hamel
Peter Hamel( 1911–1979) was a German screenwriter and a director of film and television.
He appeared as himself in the 1948 comedy" Film Without a Title".
He is the father of the composer Peter Michael Hamel.
Abe Meyer
Abe Meyer( 1901 – 1969) was an American composer of film scores.
Bert Grund
Bert Grund( 1920–1992) was a German composer of film scores.
Tarcisio Fusco
Tarcisio Fusco was an Italian composer of film scores.
He was the brother of the composer Giovanni Fusco and the uncle of operatic soprano Cecilia Fusco.
Walter Ulfig
Walter Ulfig was a German composer of film scores.
Pushpa Hans
Pushpa Hans Kapoor( 1917–2011) was an Indian playback singer and film actor of the Hindi and Punjabi film industries in the 1940s and 1950s.
She was known for her songs in the 1950 Hindi film, Sheesh Mahal and her acting in the 1949 film Apna Desh.
She was a recipient of the fourth highest Indian civilian award of the Padma Shri.
R. D. Burman
Rahul Dev Burman (27 June 1939 – 4 January 1994) was an Indian music director.
From the 1960s to the 1990s, Burman composed musical scores for 331 films.
Burman did major work with Asha Bhosle (his wife) and Kishore Kumar and scored many of the songs that made these singers famous.
He has also scored many songs sung by Lata Mangeshkar.
Nicknamed Pancham, he was the only son of the composer Sachin Dev Burman.
He was mainly active in the Hindi film industry as a composer, and also provided vocals for a few compositions.
He served as an influence to the next generation of Indian music directors, and his songs continue to be popular in India and overseas.
Henri Verdun
Henri Verdun( 1895–1977) was a French composer of film scores.
Alonso Mudarra
Alonso Mudarra( c. 1510 – April 1, 1580) was a Spanish composer of the Renaissance, and also played the vihuela, a guitar- shaped string instrument.
He was an innovative composer of instrumental music as well as songs, and was the composer of the earliest surviving music for the guitar.

Question: Who is the father of the composer of film Apna Desh?
Answer: Sachin Dev Burman