Next, I should address the legality. The movie was controversial and was initially banned or restricted in many places due to content related to voyeurism and privacy violations. I need to mention that availability might be limited because of these reasons.

Additionally, the user might be interested in knowing if there are discussions or cultural perspectives on the movie. Even though it's in Tamil, the themes of voyeurism and societal issues are universal. Including some context about the original film's reception and the potential impact of a dubbed version could be helpful.

"Mastram," the 2013 Hindi film starring Ranveer Singh, has caused significant controversy in India and globally due to its explicit content and themes of voyeurism. Directed by Nimish Pandey (under the pseudonym "Vineet Krishna"), the film critiques modern Indian society’s hypocrisy, materialism, and moral decay through the lens of a protagonist who secretly films women. While the film was criticized for its voyeuristic angles and handling of gender issues, it remains a cultural flashpoint for debates on cinema, ethics, and art.