To know the minimum wage rate in Maharashtra, you need to know two things. One is the scheduled industry in which you fall, and the second one is the zone under which your factory/establishment is located. There are a total of 67 scheduled industries in Maharashtra to which the Minimum Wage Act is applicable and three zones. The rate of minimum wages is different in each industry and in each zone.
You are in need of the rates from 2010 onwards. The rates constitute Basic and Special Allowance. There is a change in Special Allowance every January and July. During the last 8 years, there must have been a change in Basic as well. To work on this, you need to hire someone to get these details.