The superstar's last two films 7th Day and Saptamasree Taskaraha have been big hits at the box office.
Mammootty has already had six releases this year, of which only two films were successful.
The untitled film is directed by Vinod Sukumaran.
Money Ratnam, the 100th movie from The Century Films banner, releases today, September 26.
Mohanlal feels Prime Minister Narendra Modi's Teacher's Day speech was very inspirational.
Asha Sarath will be seen opposite Kamal Hassan in Papanasam.
Dulquer Salmaan plays a character from the 1930s in Ranjith's Njan, and media person John Brittas makes his big screen debut in Madhu Kaithapram's Vellivelichathil.
The period film titled Njan, is directed by Ranjith.
The singer turned actor plays the male lead in debutant director Anvar Sadik's Ormayundo Ee Mugham.
Prthviraj plays the lead in Menon's second movie, Saptamasree Taskaraha.
The mood of celebration and the school holidays make Onam one of the hottest seasons for Malayalam cinema.
Kalidas will be acting in Balaji Tharaneetharan's forthcoming film, Oru Pakka Kathai
Pranav is currently assisting director Jeethu Joseph in Papanasam
Writer-director Jeethu Joseph has now been accused by filmmaker Satish Paul of plagiarising his novel, Oru Mazhakkalathu.
Mammootty plays a prisoner in the film, who is serving a sentence for double homicide.
Money Ratnam is the name of Fahadh's latest film in which the actor plays a sales executive.
Drected Sathyan Anthikkad the film will be scripted by Ranjan Pramod.
The film launches Fahadh Faasil's younger brother, Farhan Faasil.
The story which is set in a hospital named Apothecary highlights some social issues.
The title has been formed by combining the names of the three main characters in the film, Lal (Jayasurya), Bahadur (Nedumudi Venu) and Shasthri (Aju Varghese).