Question: What rebellion was this 1978 film featuring Kunal Kapoor based on?

Context paragraphs:
Ahista Ahista (1981 film): Ahista Ahista (Hindi: आहिस्ता आहिस्ता , Urdu: آہستہ آہستہ‎ , translation: Slowly Slowly) is a Bollywood film released in October, 1981.  The film stars Kunal Kapoor, Padmini Kolhapure, Shashikala, Shammi Kapoor, Ashalata Wabgaonkar and Nanda.  Beautiful lyrics and earpleasing music were the highlights of this film.  'Kabhi kisi ko muqammal jahan nahin milta' (twice), 'mana teri nazar mein', 'bin bulaye hum chale aaye' and 'nazar se phool chunati hai nazar' were welcomed by the music lovers.This film is remake of famous Kannada film "Gejje Pooje".

Kunal Kapoor (actor): Kapoor made his debut with the 1972 English-language film "Siddhartha".  He then appeared in Shyam Benegal's 1978 film "Junoon".  In 1981 he appeared in his first mainstream Bollywood film titled "Ahista Ahista" opposite Padmini Kolhapure.  In 1982 he appeared in "Vijeta".  After that he appeared in the art films "Utsav" (1984) and "Trikal" (1985).  "Trikal" was his last film appearance.

Vijeta (1982 film): Vijeta (English: The Victor) is a 1983 Indian coming-of-age Hindi film produced by Shashi Kapoor and directed by Govind Nihalani.  It stars Shashi Kapoor, his son Kunal Kapoor, Rekha, Amrish Puri and Supriya Pathak with K.K. Raina, Raja Bundela and Shafi Inamdar who went on to become notable supporting actors in Bollywood movies.

Prithvi Theatre: Prithvi Theatre is one of Mumbai's best known theatres.  It was built by Shashi Kapoor and his wife Jennifer Kapoor in memory of Prithviraj Kapoor, Shashi's father, who had dreamt of having a "home" for his repertory theatre company, Prithvi Theatres, belongs to the Kapoor family, one of the most influential actor and director families in Bollywood.  Prithviraj Kapoor founded 'Prithvi Theatres', a travelling theatre company in 1944.  The company ran for sixteen years.  Ved Segan was the architect who designed and built the Theatre with the supervision of Jennifer Kapoor.  Jennifer, (Trustee) supervised the building and running of the theatre until her death in 1984.  In 1978 Prithvi Theatre opened in Juhu, Mumbai.  Shashi Kapoor is the Managing Trustee, the daily affairs are looked after by Kunal Kapoor (Trustee) with a small but efficient team.  Prithvi Theatre has shows every day of the year (closed Mondays), hosts an annual Summertime programme of workshops and plays for children, the Memorial Concert on 28 February, an annual Theatre Festival in November, and many partnership programmes promoting language, poetry, international cinema & documentaries, performing arts – which are free to the public.

Karan Kapoor: Karan Kapoor (born 18 January 1962) is a former Indian film actor and model of British and Indian descent.  He is the son of Indian Bollywood International Actor Shashi Kapoor and his India settled (late) British Actress Jennifer Kendal.  His paternal grandfather was Prithviraj Kapoor and his paternal uncles are Raj Kapoor and Shammi Kapoor.  His elder brother Kunal Kapoor and sister Sanjana Kapoor have also acted in some films but like him they were not very successful.  His maternal grandparents, Geoffrey Kendal and Laura Kendal, were actors who toured India and Asia with their theatre group, Shakespeareana, performing Shakespeare and Shaw.  The Merchant Ivory film, "Shakespeare Wallah", was loosely based on the family, which starred his father and his aunt, actress Felicity Kendal.  Karan later moved towards photography and decided to be a part of this profession though he worked as an actor too.

Kunal Kapoor: Kunal Kapoor (born 18 October 1978) is an Indian actor who appears in Hindi cinema.

Raag Desh (film): Raag Desh is 2017 Indian period drama film directed by Tigmanshu Dhulia and produced by Gurdeep Singh Sappal and RSTV.  The film is based on Indian National Army trials, the joint court martial of Indian National Army officers Colonel Prem Sehgal, Colonel Gurbaksh Singh Dhillon, Major Shah Nawaz Khan.  Mohit Marwah, Amit Sadh and Kunal Kapoor respectively, have played the lead roles in the film.  Rishi Punjabi is the cinematographer of the film.  The film was released on July 28, 2017

Ketto: Ketto is an online fundraising website to raise funds for social(NGOs/Non-Profits/Charities), creative(Movies/Music/Theatre/Fashion/Technology) and personal(Health/Education/Travel) causes from a large number of people who share your passion or concern and is based in Mumbai, India.  It was founded on 15 August 2012 by Varun Sheth and film and theatre actor Kunal Kapoor.  In its first year, Ketto raised INR 4.5 million for 18 campaigns.  Their causes ranged from education to women’s empowerment.

Junoon (1978 film): Junoon (Hindi: जुनून, translation: "The Obsession") is a 1978 Indian Hindi language film produced by Shashi Kapoor and directed by Shyam Benegal.  The film is based on Ruskin Bond's fictional novella, "A Flight of Pigeons", set around the Indian Rebellion of 1857.  The film's soundtrac was composed by Vanraj Bhatia, and cinematography by Govind Nihalani.

Rang De Basanti: Rang De Basanti (] ; English: "Colour it Saffron" ) is a 2006 Indian drama film written, produced and directed by Rakeysh Omprakash Mehra.  The literal meaning of the title can be translated as "Paint me with the colours of spring".  It features an ensemble cast comprising Aamir Khan, Siddharth Narayan, Soha Ali Khan, Kunal Kapoor, R. Madhavan, Sharman Joshi, Atul Kulkarni and British actress Alice Patten in the lead roles.  Made on a budget of million () , it was shot in and around New Delhi.  Upon release, the film broke all opening box office records in India.  It was the highest-grossing film in its opening weekend in India and had the highest opening day collections for a Bollywood film.  The film was well received and praised for strong screenplay and dialogues.

Supporting paragraphs: Kunal Kapoor (actor) Junoon (1978 film)
Answer: Indian Rebellion of 1857