However, without a direct reference to 'filmyzillascam 1992 fixed', I'm taking a general stance on the 2G spectrum scam which involves film or Bollywood industry elements tangentially through various alleged connections.
Several convictions have been secured in the case, though the legal process has been slow and lengthy.
I'm assuming you're referring to the infamous "Film Yalla Scam" or more widely known as the "Telecom Scam" or "2G Scam" which started in the early 1990s but gained significant traction around 2008-2009 and the subsequent court cases that went on until around 2012-2013, however specifically in 1992 a major issue related to it happened.
The scam led to significant reforms in the telecom sector. The government implemented changes in the way spectrum was allocated, shifting from a first-come-first-served basis to an auction system, ensuring a more transparent process.