The film stars Nawazuddin Siddiqui, Narayani Shastri, Rajesh Kumar and Atul Tiwari in key roles.

[6][7][8][9][10][11] Inspector Negi, a PTSD sufferer, must solve the high-profile inquiry into the unexplained death of a Sevadham School warden.

"[18] Anindita Mukherjee of India Today gave 3 stars out of 5 and said that " ‘Rautu Ka Raaz’ is a decent watch for those who love everything about hill station thrillers, cop mysteries, and, of course, Nawaz.

"[19] Nandini Ramnath of Scroll.in observes that "Rautu Ka Raaz is parodying your average police procedural.

"[20] Anuj Kumar of The Hindu writes in his review "It is a departure from blood-stained, breakneck crime thrillers, director Anand Surapur’s film impresses with its ambition but flunks in probing the characters and their circumstances"[21] Mayur Sanap of rediff.com gave 1.5 stars out of 5 and stated that "Rautu Ka Raaz is a dragged-out slow burner of a film that just fails to ignite"[22] A critic of Bollywood Hungama gave 2 stars out of 5 and said that "Rautu Ka Raaz has some interesting moments as well as an unpredictable climax.