Tisca, 41, who is known for her portrayal of a doting mother in Aamir Khan-starrer "Taare Zameen Par", shared a selfie with Ram Charan on her Twitter page.
"Here is the much asked for selfie with #RamCharan #BruceLee," she wrote.
Tisca, who has started shooting for the movie, credited the unit for helping her to learn the language.
"Super cool... An awesome unit, really making speaking Telegu easy for me."
The Punjabi actress will also be seen in "Ghayal Once Again" opposite Sunny Deol. The film is the sequel to 1990 super-hit movie "Ghayal".