Sarayu was introduced by Lohithadas in the movie 'Chakaramuthu'. She had a brief appearance in this movie. Her debut performance as lead actress was in 'Kappalu Muthalali'. Her role in the movie 'Radio' was well noticed.

Sarayu Mohan is an Malayalam actress who appears in malayalam films and television shows.

Sarayu started her career by doing minor roles in movies like Chakkara Muthu and Veruthe Oru Bharya. Her debut movie in a lead role was Kappal Muthalaali directed by Thaha. Her next movie was Chekavar, in which she played the protagonist Gauri. She paired with Bala in Sahasram, and in Four Friends with Kunjakko boban. She played a negative character in Four Friends. She also appeared in Kanyakumari Express by TS Sureshbabu and Inganeyum Oraal. Karayilekku Oru Kadal Dooram was the movie in which she acted as Indrajith's wife. She did a guest appearance in Orkut Oru Ormakoot with Siddique. In Janapriyan alongside Jayasurya, Bhama and Manoj K Jayan, she played the role of Revathi which was a notable character. In Nadakame Ulakam, directed by Viji Thampi, she acted with Mukesh. She did a major role in Nidra, a directional venture of Sidharth Bharathan. She has worked in Husbands in Goa, alongside Asif Ali, Jayasurya and Indrajith, in which she appeared as a sly seductive girl, out for trapping men. She received many criticisms, both positive and negative, for this role. She had a guest role in Housefull, directed by Linson Antony. Meanwhile, she also stepped into Tamil through the movie Thee Kulikkum Pachai Maram.

Recently she directed a short film, Pacha, which has the voice by actress Bhama. There are songs in the film, and a poem sung by the actress Ananya.