It looks like you’re asking for a deep report on a subject that seems to be a mix of Malayalam and English words, possibly with typos or non-standard phrasing:
The lines between Bollywood (Mumbai) and South Indian film industries (Telugu, Tamil, Malayalam, Kannada) have largely blurred.
. These films were known for their adult content, shoestring budgets, and rapid production cycles. The "Shakeela Tharangam" (The Shakeela Wave) The history of this genre is dominated by the Shakeela era
: Actresses like Shakeela and Maria became household names, often out-earning mainstream superstars of the time.