The law envisages social punishment for those spitting in public.
Fadnavis was speaking to reporters after the weekly meeting of the cabinet.
The committee comprises water supply minister Babanrao Lonikar, FDA minister Girish Bapat and school education minister Vinod Tawde. The committee will submit its report in a month's time and the government may introduce the bill in the monsoon session of the state legislature.
Fadnavis also announced that Rohit Deo has been appointed as associate advocate general. Dev had earlier served as associate solicitor general at the Centre.
Construction of temporary shelters, jetties and setting up a forecast mechanism will be undertaken in these districts. Electricity cables will be laid underground to avoid power outage during the cyclone.