For those who want to see the foundations of the tragic heroine trope in South Indian cinema. The "Silk" Era Noir (1980s):
(2000) was a massive commercial success, grossing approximately ₹4 crore on a budget of just ₹12 lakhs. Transition Full Free Shakeela Reshma Blue Film
Given your interest in Shakeela and Reshma, I'll assume you might be looking for films featuring these actresses or films within the adult cinema genre. For those who want to see the foundations
These movies were characterized by high-speed production—sometimes filmed in days—and were frequently dubbed into multiple languages including Hindi, Telugu, and even foreign languages like Sinhala. For a modern perspective on this history, the biopic Shakeela the biopic Shakeela