This is a kind of levy on earnings by means of income from salary or by practicing a profession (such as Doctor, CAs, or Consultants).
As far as employees are concerned, the organization has to deduct this from their earnings and deposit to concerned Local Self Government. Professional Profession Tax rates will be against salary slabs and this varies from state to state.
This is administered by Local Self Government (Panchayat, Municipality, or Corporation).
Professional Profession Tax Slabs India