Trisha Krishnan, whose Tamil retro horror-comedy "Nayaki" released on Friday, says there are valid reasons why she hasn't been talking about her film or promoting it."If I am not talking about or promoting my film, there are valid reasons for it," Trisha wrote on her Twitter."Apologies to my media friends and fans who have been asking me. I will personally make sure it is explained soon. Thank you all for the consistent support and love," she added.In the film, Trisha plays a dual role for the first time in her career. Directed by Govi, the film also stars Ganesh Venkatraman, Brahmanandam, Sushma Raj and Satyam Rajesh.