Question: Tashan, a 2008 Indian Hindi action comedy film starring Kareena Kapoor, one of Bollywood's most popular and highest-paid actresses, was the directorial debut of whom?

Context articles: Dosti: Friends Forever
Kareena Kapoor filmography
Golmaal Returns
Fida
Tashan (film)
Kareena Kapoor
Khushi (2003 Hindi film)
Golmaal 3
Mere Jeevan Saathi (2006 film)
Talaash: The Hunt Begins...

Dosti: Friends Forever (Hindi: दोस्ती, Urdu: دوستی, translation: "friendship") is a 2005 Indian Hindi romantic drama buddy film directed by Suneel Darshan starring Akshay Kumar and Bobby Deol in the lead roles.
 It also stars Lara Dutta and Kareena Kapoor in supporting roles, along with Juhi Chawla in a special appearance.
 Lara Dutta's role was first offered to Amisha Patel, however the actress turn it down due to her relation with Kareena Kapoor not being good at the time.
Kareena Kapoor, also credited by her married name Kareena Kapoor Khan, is an Indian actress who has appeared in over 50 Bollywood films.
 Kapoor made her acting debut opposite Abhishek Bachchan in the 2000 drama "Refugee", for which she earned a Filmfare Award for Best Female Debut.
 The following year, she appeared in five films, including the romance "Mujhe Kucch Kehna Hai", the thriller "Ajnabee", and the ensemble melodrama "Kabhi Khushi Kabhie Gham...".
 The latter emerged as the highest-grossing Bollywood film in overseas market to that point, and the success of these films established her in Bollywood.
 However, she followed this with roles in a series of commercial failures, including "Mujhse Dosti Karoge!
" (2002) and "Main Prem Ki Diwani Hoon" (2003), in which she was perceived to play variations of her character in "Kabhi Khushi Kabhie Gham...".
Golmaal Returns is a 2008 Indian Hindi comedy drama film directed by Rohit Shetty.
 The film is a sequel to the 2006 film, "" with Ajay Devgn, Tusshar Kapoor and Arshad Warsi reprising their roles, whilst Shreyas Talpade replaced the role originally played by Sharman Joshi.
 The film also features Kareena Kapoor, Amrita Arora and Celina Jaitley in supporting roles.
Fida (translation: Infatuated) is an Indian Hindi romantic thriller film released in 2004.
 The film, directed by Ken Ghosh, stars Fardeen Khan, Kareena Kapoor, Shahid Kapoor and Kim Sharma.
 This is the first film in which Kareena Kapoor played a negative role.
 The film just recovered it's budget.
Tashan (Hindi: टशन , "Style") is a 2008 Indian Hindi action comedy film starring Akshay Kumar, Saif Ali Khan, Kareena Kapoor and Anil Kapoor in the lead roles.
 Produced by Aditya Chopra and Yash Chopra of Yash Raj Films, it was released on 25 April 2008, and marked the directorial debut of Vijay Krishna Acharya.
Kareena Kapoor (] ; born 21 September 1980), also known by her married name Kareena Kapoor Khan, is an Indian actress who appears in Hindi films.
 She is the daughter of actors Randhir Kapoor and Babita, and the younger sister of actress Karisma Kapoor.
 Noted for playing a variety of characters in a range of film genres—from romantic comedies to crime dramas—Kapoor is the recipient of several awards, including six Filmfare Awards, and is one of Bollywood's most popular and highest-paid actresses.
Khushi (] ; English: "Happiness") is an Indian Hindi romance comedy film released on 7 February 2003, starring Kareena Kapoor Khan and Fardeen Khan in main roles, directed by S. J. Suryah and produced by Boney Kapoor under Narsimha Enterprises.
 The music was composed by Anu Malik.
Golmaal 3 (translation: Hotchpotch 3) is a 2010 Indian Hindi action comedy film directed by Rohit Shetty and the sequel to the 2008 film "Golmaal Returns" and the third film in the "Golmaal series".
 The film stars most of the actors from the previous films, including Ajay Devgan, Kareena Kapoor, Arshad Warsi, Tusshar Kapoor and Shreyas Talpade.
 New additions to the cast include actors Mithun Chakraborty and Kunal Khemu.
 Principal photography for the film began in March 2010 in Mumbai, Goa and Hyderabad.
 It was reportedly inspired by Basu Chatterjee's "Khatta Meetha" (1978) (which itself was based on the 1968 movie "Yours, Mine and Ours" ) wherein Ashok Kumar and Pearl Padamsee played an old couple marrying with children from their previous marriages, and film's rights were later bought over.
Mere Jeevan Saathi (English: My lifemate) is an Indian Hindi romance film released in 2006 starring Akshay Kumar, Karisma Kapoor and Amisha Patel.
 It was filmed back in 2001 and was supposed to release in 2004, but due to delays it was pushed back and was finally released on February 2006.
 Sources revealed cat fight between Karisma Kapoors sister Kareena Kapoor and Amisha Patel was the main reason for delay in completing the film.
 Kareena Kapoor often used to visit the film set to meet her sister.
Talaash: The Hunt Begins... is an Indian Hindi action film starring Akshay Kumar and Kareena Kapoor in title roles.
 It is directed by Suneel Darshan and produced by Pahlaj Nihalani.