PK (2014): A satirical sci-fi comedy that explores the concept of God, religion and human beliefs, through the eyes of an alien, played by Aamir Khan.
Krrish (2006): The story follows a young man, played by Hrithik Roshan with superhuman abilities who battles evil forces to save the world and protect his loved ones.
Its popularity led to its sequel, Krrish 3 (2013), where the superhero faces a villain with similar powers, who is connected to his past.
Ra.One (2011): A Shah Rukh Khan-starrer sci-fi action film where a video game developer creates a powerful villain who escapes into the real world.
Robot (2010): Origanally released as Enthiran in Tamil language, this film features a humanoid robot, named Chitti, who falls in love and later rebels against its creator.
Its popularity led to its sequel, Robot 2.0 (2018), where a new, more advanced robot threatens mankind, and the original robot, along with its creator, must stop it.
Joker (2012): A thought-provoking sci-fi film about the struggles of an eccentric inventor who creates a device to make his village visible on the map.
These Indian sci-fi films offer captivating storylines, innovative visual effects and explore various themes related to technology, humanity and society.