Question: Who was the director of the 2014 sci fi comedy film which features the romantic Hindi song Chaar Kadam?

Context paragraphs:
Kaw (film): Kaw is a Sci Fi Pictures original film that premiered April 7, 2007 on the Sci Fi Channel.  It is similar in plot to "The Birds" (1963) (which also starred Rod Taylor) and can be considered a modernization of the film.

Pythons 2: Pythons 2 (also known as Pythons, released on home media as Python II and sometimes listed in references as Python 2), is a science-fiction/horror film released as a Sci Fi Pictures television film on the Sci Fi Channel.  A 2002 sequel to the 2000 film "Python", it stars Billy Zabka, reprising his role as Greg Larson from the first film, Dana Ashbrook and Simmone Jade Mackinnon.  Directed by Lee McConnell, it was produced by Jeffery Beach and Phillip Roth for UFO/Unified Film Organization and Python Productions.  This film was dedicated to Janine Clark, who died somewhere in 2001.

PK (film): PK is a 2014 Indian satirical science fiction comedy film.  The film was directed by Rajkumar Hirani, produced by Hirani and Vidhu Vinod Chopra, and written by Hirani and Abhijat Joshi.  The film stars Aamir Khan in the title role with Anushka Sharma, Sushant Singh Rajput, Boman Irani, Saurabh Shukla, and Sanjay Dutt in supporting roles.  It tells the story of an alien who comes to Earth on a research mission.  He befriends a television journalist and questions religious dogmas and superstitions.

Kraken: Tentacles of the Deep: Kraken: Tentacles of the Deep, also known as Deadly Water, is a 2006 made-for-television natural horror B-movie produced by Nu Image Films and Brightlight Pictures as a Sci Fi Channel original film.  It premiered on the Sci Fi channel on September 23, 2006.  Directed by Tibor Takács and starring Charlie O'Connell, Victoria Pratt, and Jack Scalia, the film focuses on a marine biologist and a sailor who join forces to find lost Trojan treasures while battling the giant squid who killed the sailor's parents while he was a child, and a treasure hunting mobster who wants the items for himself.  The film was primarily panned by critics for the special effects, far-fetched plot, and scarcity of scenes involving the titular creature.

Defenders of the Earth: Defenders of the Earth is an American animated television series produced in 1985, featuring characters from three comic strips distributed by King Features Syndicate—Flash Gordon, The Phantom, Mandrake the Magician, and Mandrake's assistant Lothar—opposing Ming the Merciless in the year 2015.  Supporting characters include their children Rick Gordon (son of Flash), Jedda Walker (daughter of the Phantom), Kshin (adopted son of Mandrake), and Lothar's son L.J.  The show lasted for 65 episodes; there was also a short-lived comic book series published by Star Comics (an imprint of Marvel Comics).  The closing credits credit Rob Walsh and Tony Pastor for the main title music, and Stan Lee for the lyrics.  The series was later shown in reruns on the Sci Fi Channel as part of Sci Fi Cartoon Quest.

Croc (film): Croc is a 2007 made-for-television natural horror film produced by RHI Entertainment that premiered in Canada on the video-on-demand channel Movie Central On Demand in July 2007.  It aired in the United States on the Sci Fi Channel on November 4, 2007.  It is the 6th film in the "Maneater Series" produced under an agreement with Sci Fi.  Filmed in Thailand, the film revolves around the efforts of the owner of a crocodile-farm, an animal welfare agent, and a hunter trying to kill a large saltwater crocodile that has begun killing people in the area.

Deathlands: Homeward Bound: Deathlands: Homeward Bound is a 2003 television film based on the "Deathlands" series of books.  The Sci Fi Pictures film, released May 17, 2003, on the Sci Fi Channel, stars Vincent Spano and Traci Lords, and was directed by Joshua Butler.

Chaar Kadam: "Chaar Kadam" (English: Four Steps) is a romantic Hindi song from the 2014 Bollywood film, "PK".  Composed by Shantanu Moitra, the song is sung by Shaan and Shreya Ghoshal, with lyrics penned by Swanand Kirkire.  The music video of the track features actors Sushant Singh Rajput and Anushka Sharma.

Tripping the Rift: Tripping the Rift is a American/Canadian adult CGI science fiction comedy television series.  It is based on two short animations published on the Internet by Chris Moeller and Chuck Austen.  The series was produced by CineGroupe in association with the Sci Fi Channel.  It did very well in ratings; however, because Sci Fi didn't have a major 18-34 demographic coming to the network regularly and Sci Fi was not seen as a source of comedy programming, the network decided to postpone ordering more episodes.  CineGroupe continued producing the series for the other North American and International broadcasters.  The series aired on the Canadian speciality channel Space in 2004.  Canada's cartoon network Teletoon has been airing the series since August 2006.  The third season aired on Teletoon in 2007, and a feature-length movie version was released on DVD in 2008.

Grendel (film): Grendel is a 2007 American action-fantasy television film directed by Nick Lyon and very loosely based on the Anglo-Saxon epic poem "Beowulf".  The television film was produced by the Sci Fi channel as an original movie for broadcasting on the Sci Fi cable television network, and began airing on January 13, 2007.  In 2010 it was released on DVD from the sister company by Universal Pictures.

Supporting paragraphs: Chaar Kadam PK (film)
Answer: Rajkumar Hirani