The late 1990s saw a boom in this genre, largely driven by the success of Malayalam soft-porn films which were subsequently dubbed or remade into Tamil. The "Shakeela wave" is the most prominent example of this era.
The request for "Tamil Kala Kadhal" likely refers to the prominent Kala Master tamil aunty kala kadhal sex video in 3gp hit full
: A popular Tamil short film directed by Karthick Marimuthu, featuring the late Popular Videos & Songs The late 1990s saw a boom in this