Plastic waste blocks drains in Mumbai flooding the city during monsoon. The Sana Ullah compound, Dharavi, is said to be the biggest area of plastic recycling in Mumbai. Locals have tried to make plastic segregation and treatment a profitable business. Many small scale plastic recycling plants are operational in Sana Ullah compound, Dharavi. More than 1 ton plastic is segregated and chopped into 'chips' everyday. A technician says the industry is facing challenges and they are getting poor remuneration due to GST on plastic recycling.