Question: Who was the director of 1974 film starring the "Dream Girl", Hema Malini?

Context paragraphs:
Hema Malini: Hema Malini (born 16 October 1948) is an Indian actress, director, producer, dancer and politician.  In 1963 she made her acting debut in the Tamil film "Ithu Sathiyam" as a dancer and supporting actress.  Malini first acted in a main role in "Sapno Ka Saudagar" (1968), and went on to feature in numerous Bollywood films, primarily as the lead actress.  In most of her films, she starred opposite her husband Dharmendra, and with Rajesh Khanna and Dev Anand.  Malini was initially promoted as the "Dream Girl", and in 1977 starred in a film of the same name.  She has played both comic and dramatic roles, as well as being a dancer.  She has appeared in more than 150 films.

Aatank: Aatank is a 1996 Bollywood film starring Dharmendra, Vinod Mehra, Hema Malini, Amjad Khan, Ravi Kissen and Nafisa Ali.  It is inspired by the Hollywood film "Jaws" as it has a sub-plot with a killer shark.  The film began production in the mid 80s and was delayed for several years and released in 1996.  By the time of its release, two of its cast members Vinod Mehra and Amjad Khan had died.  Most of the movie feature a younger Dharmendra and Hema Malini but one scene features a much older Dharmendra and Hema Malini resulting in a continuity error.  As Amjad Khan expired in 1992, the dubbing for his voice has been done by a mimic artist.

Dream Girl (1977 film): Dream Girl is a 1977 Indian Hindi film, directed by Pramod Chakravorty.  The movie stars Hema Malini, Ashok Kumar, Dharmendra and Prem Chopra.  Hema Malini was promoted as the "Dream Girl" from her first film and that eventually led her to star in this film.  it became hit at box office

Sapno Ka Saudagar: Sapno Ka Saudagar is a 1968 film.  The film is produced by B. Ananthaswami and directed by Mahesh Kaul.  Originally Vyjayanthimala was offered the lead but she refused and thus Hema Malini made her debut.  The film stars Raj Kapoor, Hema Malini, Tanuja, David and Nadira.  The film's music is by Shankar Jaikishan.

Ram Kamal Mukherjee: Ram Kamal Mukherjee (Bengali: রাম কমল মুখার্জী) (born 1976) is a Bollywood film journalist and critic.  He is best known for his coffee-table book on actress Hema Malini, "Hema Malini Diva Unveiled" from 2005.  He has been a journalist for Screen (now Hotstar), "The Asian Age", "Stardust" and the "Mumbai Mirror", and is the former Vice-President of Pritish Nandy Communications.  After working with Stardust, now he is writing his first fiction for Leadstart Publishing.

Kasauti: Kasauti is a 1974 Bollywood drama film directed by Aravind Sen. The film stars Hema Malini and Amitabh Bachchan.

Sharafat: Sharafat is a 1970 Hindi film, directed by Asit Sen, starring Dharmendra, Hema Malini, Ashok Kumar, Sonia Sahni and Jagdeep.  Hema Malini plays the role of a feisty courtesan Chanda in search of her father, in this satire about society's hypocritical moral standards.  The screenplay was written by Nabendu Ghosh, while the dialogues were by Hindi satirist Krishan Chander (author of such dark classics of Black Humor & Satire as "Ek Gadhe Ki Aatmkatha" (An Autobiography Of A Donkey).

Sitapur Ki Geeta: Sitapur Ki Geeta is a 1987 Hindi movie which stars Hema Malini, Rajesh Khanna and Pran.  The music is by Om Prakash Sharma and Master Sonik.  The movie, set against a rural backdrop, was most successful in the North and the East of India.  "Lachak lachak jaye jawani" is the most famous song from this film sung by Amit Kumar and Asha Bhosle.  Rajesh Khanna makes special appearances in the film as the presumably intended groom of Hema Malini.  The film was dubbed into Bhojpuri and re-released in 2006.

Khushboo (1975 film): Khushboo (English: Aroma, Hindi: खुशबू , Urdu: خوشبو‎ ) is a 1975 Hindi drama film produced by Prasan Kapoor on Tirupati Pictures banner and directed by Gulzar, who had a prolific year, with two more releases in the same year, "Mausam" and "Aandhi".  It was based on the Bengali novel ""Panditmashai"" by Sharat Chandra Chattopadhyay, which was earlier filmed in Bengali in 1951 by Naresh Mitra.  The film stars Jeetendra, Hema Malini, Asrani, Farida Jalal, Sarika and Sharmila Tagore.  The film's music composed by R. D. Burman, with lyrics of Gulzar.  Haunting song "O Majhi Re" sung by Kishore Kumar, was famous both for lyrics and melody.  A couple of other songs like 'do naino mein aansoo bhare hain' and 'bechara dil kya kare' were also very popular.  It was praised as a beautiful film with good acting by Sharmila Tagore, Hema Malini, Asrani, and Jeetendra.

Lal Patthar: Lal Patthar is a 1971 Hindi film, produced by F. C. Mehra, and directed by Sushil Majumdar.  The film is a remake of the Bengali film, Lal Pathar, which was released in 1964.  The film stars Raaj Kumar, Vinod Mehra, Hema Malini, Raakhee, Ajit, Asit Sen and Paintal.  The film is one of the rare films where lead actress Hema Malini played a negative role, being a jealous mistress of a zamindar who tries to frame his young wife as an adultress.  Her performance received accolades.  The music of the film was composed by Shankar Jaikishan.

Supporting paragraphs: Kasauti Hema Malini
Answer: Aravind Sen.