Proloy (Bengali: প্রলয়; English: Disaster) is a 2013 Indian Bengali language socio-political action-crime thriller film co-written and directed by Raj Chakraborty, produced by Shree Venkatesh Films, starring Parambrata Chatterjee, Paran Bandopadhyay, Saswata Chatterjee, Rudranil Ghosh, Supriyo Dutta and Mimi Chakraborty in lead roles.

Sonali Banerjee named the film Roshni after her sister who was raped and killed and said that the movie was a tribute to her.

Overcome by a sense of social responsibility, idealist local teacher, Barun Biswas stands up and confronts the scourge and forms an activist group named 'Jagaran Mancha'.

Special Branch Officer, badass no-nonsense cop Animesh Dutta's posting at Dukhia comes as sweet serendipity, almost divine intervention.

After Binod kills the last criminal by ripping his stomach open, Animesh rescues him from the scene, and drops him off outside the village.

The songs were all runaway hits with Hath Dhoreche and Kala Koi Geli being the biggest chartbusters.

With return of characters from its film, the plot is based on rise of Human Trafficking's incidents in Sundarban region in district of South 24 Parganas.