Question: Who is the spouse of the composer of film Namma Ooru Nayagan?

Heather D. Gibson
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She is the spouse of Euclid Tsakalotos, former Greek Minister of Finance.
Marie-Louise Coidavid
Marie Louise Coidavid( 1778 – March 11, 1851), was the Queen of the Kingdom of Haiti 1811 – 20 as the spouse of Henri I of Haiti.
Namma Ooru Nayagan
Namma Ooru Nayagan (Tamil: நம்ம ஊரு நாயகன்) is a 1988 Indian Tamil film, directed by Yaar Kannan and produced by V. Anbukarasu.
The film stars Ramarajan, Gouthami and Sripriya in lead roles.
The film had musical score by newcomer Rajesh Khanna.
Sophia Magdalena of Denmark
Sophia Magdalena of Denmark (3 July 1746 – 21 August 1813) was Queen of Sweden as the spouse of King Gustav III.
Walter Ulfig
Walter Ulfig was a German composer of film scores.
Maria Teresa, Grand Duchess of Luxembourg
Maria Teresa, Grand Duchess of Luxembourg( born María Teresa Mestre y Batista; on 22 March 1956), is the spouse of Grand Duke Henri.
Princess Auguste of Bavaria (1875–1964)
Princess Auguste of Bavaria( 28 April 1877 – 25 June 1964) was a member of the Bavarian Royal House of Wittelsbach and the spouse of Archduke Joseph August of Austria.
Mehdi Abrishamchi
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He is the former spouse of the group's current leader, Maryam Rajavi, whom he divorced so that she could become the spouse of Massoud Rajavi.
Gertrude of Bavaria
Gertrude of Saxony and Bavaria( 1152/55–1197) was Duchess of Swabia as the spouse of Duke Frederick IV, and Queen of Denmark as the spouse of King Canute VI.
Rajesh Khanna
Rajesh Khanna (born Jatin Khanna (29 December 1942 – 18 July 2012) was an Indian actor, film producer and politician who is best known for his work in the Hindi cinema.
He is referred to as the "First Superstar" of Indian cinema.
He starred in 15 consecutive solo hit films from 1969 to 1971, a record ‘unbroken’.
He did 106 solo hero films of which 97 were released between 1967 and 2013.
He acted in only 22 films with multi-star cast.
82 of the 127 films with Rajesh Khanna as the lead protagonist (of them 117 released and 11 unreleased) were critically acclaimed films with ratings above 4 stars out of 5 by film reviewers of various newspapers unanimously.
He made his debut in 1966 with "Aakhri Khat" which was also India's first official Oscar Entry in 1967.
During his career he appeared in more than 168 feature films and 12 short films.
He received the Filmfare Best Actor Award three times and the BFJA Awards for Best Actor (Hindi) four times.
In 1991, he was awarded the Filmfare Special Award for completing 26 years in the Hindi cinema and in 2005, he was honoured with the Filmfare Lifetime Achievement Award on the 50th Anniversary of the Filmfare Awards.
He was the highest paid Indian actor from 1970 to 1987 whereas Amitabh Bachchan shared the same tag with Rajesh Khanna from 1980 to 1987.
He was a Member of Parliament in the 10th Lok Sabha from New Delhi Lok Sabha constituency between 1992 and 1996, elected in the 1992 New Delhi by-election as an Indian National Congress candidate.
He was married to Dimple Kapadia in March 1973, eight months before her debut film "Bobby" was released and had two daughters from the marriage.
Their elder daughter Twinkle Khanna is married to actor Akshay Kumar, while they also have a younger daughter Rinke Khanna.
Khanna died on 18 July 2012, after a period of illness.
He has been posthumously awarded India's third highest civilian honour, Padma Bhushan.
He has also been honoured with a stamp and statue in his likeness, and a road renamed after him by the Prime Minister of India.
In 2018, a one kilometre fitness trail in Lajpat Nagar National Park was named after Khanna, which was inaugurated by his wife Dimple Kapadia.

Answer: Dimple Kapadia