Maybe the user is looking for "Thupparivaalan" which is a Tamil movie based on Sherlock Holmes, but it's a movie, not a web series. However, the keyword says "web series". Could be "Thupparivaalan 2" but that is a movie.
The high-octane films directed by Guy Ritchie and starring Robert Downey Jr., including Sherlock Holmes and Sherlock Holmes: A Game of Shadows sherlock holmes web series tamil dubbed 2021
Known for housing an extensive library of Hollywood and international television series with multi-language audio supports, including Tamil, Telugu, and Hindi. Maybe the user is looking for "Thupparivaalan" which