The film received negative reviews from critics, who criticized its weak script, lacking substance, and called it an overstretched narrative, without soul and logic. Mitali Gautam of
The Statesman rated the film 2 out of 5 stars and noted that "the film struggles in storytelling. ‘The Raja Saab’ feels more like a series of ideas loosely tied together especially around the theme of hypnotism. The writing lacks cohesion, and the screenplay leaves much to be desired. Scenes often jump abruptly. Characters are introduced hastily and that too without proper narrative flow." Swaroop Kodur of
The Indian Express rated the film 2 out of 5 stars and stated that "the film cruelly does little to nothing with its solid central idea, and instead remains sloppy and outdated from start to finish". Saibal Chatterjee of
NDTV rated the film 2 out of 5 and termed the film "a royal mess" and also mentioned the film is Only for Prabhas fans. Neeshita Nyayapati of
Hindustan Times rated the film 2 out of 5 stars and stated that "The horror comedy genre isn’t necessarily new to Indian cinema or Tollywood. When films like
Bhool Bhulaiyaa (2007) and
Anando Brahma (2017) exist, it’s lazy to build an intriguing setup and throw some cool ideas at the audience to see what sticks."
Bollywood Hungama rated the film 2 out of 5 stars and noted "On the whole, THE RAJASAAB starts off with an interesting premise and boasts of a striking interval point, but the second half becomes unbearable thanks to the messy and stretched writing and poor direction." Janani K of
India Today rated the film 1.5 out of 5 stars and termed the screenplay "muddled" which jumps aimlessly between genres and locations, also stated "Despite Prabhas's sporadic comic timing, the film lacks depth, cohesion and basic storytelling craft". Suhas Sistu of
The Hans India rated the film 1.5 out of 5 stars and stated, "The Raja Saab is a forgettable outing that highlights how star power alone cannot compensate for weak writing and unclear vision." Chandra Mouli of
The Siasat Daily rated the film 1.5 out of 5 stars and noted "The Raja Saab is a missed opportunity. It has poor graphics, a weak story, and bad editing." Sajin Shrijith of
The Week rated the film 1 out of 5 stars and noted "The RajaSaab is so confused about what it wants to do and when to do it that everything else — the few positive aspects — feels like a wasted effort." Amit Bhatia of
ABP Live rated the film 1 out of 5 stars and wrote "Calling it a bad film wouldn’t be accurate—it’s far worse than that." Balakrishna Ganeshan of
The News Minute termed the film as "loud, lazy, and hopelessly outdated".
Box office The film collected ₹9.15 crore from paid previews the day before release and opened with ₹53.75 crore domestically and ₹100.9 crore worldwide. The film grossed ₹6 crore in Hindi on its opening day. The film grossed ₹170 crore worldwide by the end of its first weekend worldwide. The film collected ₹208.38 crore worldwide by the end of its run. == Sequel ==