The "Taare Zameen Par" actress took to micro-blogging site Twitter to share the information.
"Here's 'Rahasya' releasing 30th Jan...Block your date now!" she tweeted.
Directed by Manish Gupta, the film was shrouded in controversy it is said to be based on the murder case of Aarushi Talwar and the mystery surrounding it.
Tisca, who is known for her portrayal of a mother on TV series "24", also answered queries of fans asking the premiere date of next season of the show.
"Soon. Mid year.. "@Jay_Khandelwal: @tiscatime can you please tell me when is the next season of #24 coming!!" she wrote.
Meanwhile, "Rahasya" also stars Kay Kay Menon.
