Question: What film did one of the co-stars of  Saajan Ka Ghar receive a National Film Award in 1970 for?

Context paragraphs:
Basu Chatterjee: Basu Chatterjee (Bengali: বাসু চ্যাটার্জ্জী ; born 10 January 1930) is an Indian film director and screenwriter.  Through the 1970s and 1980s, he became associated with what came to be known as middle cinema or middle-of-the road cinema, with film makers like Hrishikesh Mukherjee and Basu Bhattacharya, whom he assisted in "Teesri Kasam" (1966).  Like them, his films also dealt with light-hearted stories of middle-class families often in urban settings, focussing on marital and love relationships, with exceptions like "Ek Ruka Hua Faisla" (1986) and "Kamla Ki Maut" (1989), which delved into social and moral issues.  He is best known for his films "Us Paar", "Chhoti Si Baat" (1975), "Chitchor" (1976), "Rajnigandha" (1974), "Piya Ka Ghar" (1972), "Khatta Meetha ", "Chakravyuha (1978 film)", "Baton Baton Mein" (1979) "Man Pasand", "Hamari Bahu Alka" and "Shaukeen" (1982).  After 1983, none of his films had successful run in theatres.

Woh Chokri: Woh Chokri (1994) (English: That Girl ; Hindi: वो छोकरी ) is an Indian movie directed by Subhankar Ghosh and stars Pallavi Joshi, Neena Gupta, Paresh Rawal and Om Puri.  Film won 3 National Film Awards.  Pallavi Joshi won National Film Award – Special Jury Award whereas Paresh Rawal won the National Film Award for Best Supporting Actor and Neena Gupta that of the National Film Award for Best Supporting Actress for this movie.

Saajan Ka Ghar: Saajan Ka Ghar is a 1994 Indian Bollywood film directed by Surendra Kumar Bohra.  It stars Juhi Chawla and Rishi Kapoor in pivotal roles.

Rishi Kapoor: Rishi Kapoor (born 4 September 1952) is an Indian film actor, producer and director known for his works in Hindi cinema.  He received the National Film Award for his debut role as a child artist in his father Raj Kapoor's 1970 film "Mera Naam Joker" (1970).  Kapoor had his first lead role as an adult opposite Dimple Kapadia in 1973 with the film "Bobby" and received the Filmfare Best Actor Award in 1974.  "Bobby"' s worldwide success launched him as a global movie star, domestically in India and overseas in the Soviet Union.

Piya Ka Ghar: Piya Ka Ghar (Devanagari: पिया का घर, Nastaliq: پیا کا گھر, translation: "My Beloved's House", 1972) is a Hindi comedy set (mainly) in Mumbai in the 1970s.  It is a remake of Raja Thakur's Marathi film "Mumbaicha Javai".  It portrays the difficulties of life in India's biggest city during the 1970s in the form of a comic family drama.

Anil Dhawan: Anil Dhawan is an Indian film and television actor, most known for his debut film, "Chetna" (1970) and "Piya Ka Ghar" (1972).

Tabu filmography: Indian actress Tabu, also credited as Tabbu, has appeared in Hindi, Telugu, English, Tamil, Malayalam and Bengali films.  Tabu's first credited role came as a teenager in Dev Anand's "Hum Naujawan" (1985), and her first major role was in the Telugu film "Coolie No. 1" (1991).  In 1994, she starred in two Hindi filmsthe romance "Pehla Pehla Pyar" and the action drama "Vijaypath"and received the Filmfare Award for Best Female Debut for the latter.  After appearing in a series of poorly received films, including "Prem" and "Saajan Ki Baahon Mein" (both 1995), the year 1996 was key for Tabu.  Her performance as a young woman affected by the Punjab insurgency in Gulzar's "Maachis" (1996) proved to be a breakthrough for her, and won her the National Film Award for Best Actress.  Also that year, Tabu won the Filmfare Award for Best Actress – Telugu for the romance "Ninne Pelladata", and featured alongside Govinda and Karisma Kapoor in the commercially successful comedy film "Saajan Chale Sasural".

National Film Award for Best Lyrics: The National Film Award for Best Lyrics (the Silver Lotus Award) is an honour presented annually at the National Film Awards by the Directorate of Film Festivals (DFF) to a lyricist who has composed the best song for films produced within the Indian film industry.  The award was first introduced at the 16th National Film Awards in 1969.  It was intermittently awarded till the 22nd National Film Awards (1975).  From then on, no award was presented until the 32nd National Film Awards (1985).  However, since 1985 every year the award has been presented with the exception of the 34th National Film Awards (1987).  As of the 62nd National Film Awards (2015), the DFF has presented a total of 36 awards to 24 different lyricists.

List of awards and nominations received by Vikram: Vikram is an Indian Tamil film actor.  After making his cinematic debut in the 1990 film "En Kadhal Kanmani", he acted in a series of small-budget Tamil, Telugu and Malayalam films.  It was Bala's tragedy film "Sethu" (1999) that established Vikram in the Tamil film industry.  In the early 2000s Vikram appeared in a series of masala films—"Dhill", "Gemini", "Dhool" and "Saamy" all becoming commercially successful.  During this period, Vikram performed diverse roles and received critical acclaim for his performances in "Kasi" and "Samurai".  In 2003, Vikram's performance as an autistic gravedigger in "Pithamagan" won a lot of acclaim and secured his first National Film Award for Best Actor.  His portrayal as an innocent man with multiple personality disorder in Shankar's "Anniyan" was commercially successful.  The film also fetched him a Filmfare Best Actor Award.  Vikram's portrayal as a tribal leader in Mani Ratnam's "Raavanan" saw him secure further acclaim.  He is only the third actor to receive a National Film Award for Best Actor in the Tamil film industry.  Vikram is known for his intense performances, with his work often fetching critical acclaim and commercial success.  He has won a National Film Award and seven Filmfare Awards South, of which five are Best Actor awards.

Haunted Nights: Haunted Nights is a fiction show telecasted on Sahara One from 20 February 2012.  This show is directed by Vikram Bhatt in his favorite genre.  The show has a power packed star cast in various episodes of the show.  Some of the actors who acted in the show are Rashami Desai, Shilpa Saklani, Manini Mishra, Sakshi Tanwar, Gautami Kapoor, Amit Sareen Priya Marathe and male actors like Manish Gandhi and Nivin Ramani.  The show is produced by The Entertainment Hub which also produced Piya Ka Ghar Pyaara Lage on Sahara One.

Supporting paragraphs: Saajan Ka Ghar Rishi Kapoor
Answer: "Mera Naam Joker"