Sites like Prime Video offer a massive library of South Indian films (often titled "Bollywood/Hollywood") with options to adjust download quality to "Data Saver" mode, which approximates the 300MB file size.
South Indian films have gained immense popularity across India through these distribution channels. The "convergence" of regional industries and Bollywood—often referred to as the rise of "Pan-India" films—is supported by the ease with which these compressed versions spread. Cultural Connection 300mb south movie bolly4uin better