State Government Employees Organisation president Nitin Sardeshmukh said class III and class IV employees of Zilla Parishads, state hospitals, staff working at Mantralaya (secretariat) will participate in the strike.
He said 1.85 lakh posts of class III and class IV employees are lying vacant in Maharashtra.
"Moreover, the demand for filling up 30,000 posts on compassionate grounds is also not accepted by the state government," Sardesmukh claimed.
He said around 30 to 40 per cent of total posts are lying vacant in hospitals and other essential services departments.
He said the employees of staff working in essential services like hospitals, fire brigade, water supply etc. have been directed not to join the strike, or else provisions of Essential Services Maintenance Act (ESMA) will be invoked against them.