Through extensive reverse-engineering by the Tamil typography community, two fonts have been identified as the closest base structures for the Vishwaroopam title.
Because the title is a custom piece of graphic art, you can recreate the look using professional design tools: : Designers often use a bold sans-serif font like Arial Black as a foundation. Visual Style vishwaroopam title font link
For formal reports or professional documents, it is advised to use standard legible fonts rather than decorative movie-themed ones: vishwaroopam title font link