The reason is, she has been the UNICEF Ambassador and she's doing all charity work through her celebrity status. That keeps her in the hunt. Also, she escaped the Income Tax case where she was slapped a fine of Rs.3.5 Crores. She is quite happy as things go as she desires.
Her next release '96' is now getting a good attention due to the teaser. Now, sources confirmed that her next release would be '96'. Her 'Mohini' is still awaiting a release date. So even though Trisha is running out of movies, she is quite happy and content.