Identify the correct sequence of the steps of grievance procedure required to be followed for the grievance handling1. Departmental Manager2. Immediate Supervisor3. Arbitration4. Trade Union s intervention

• A. 1, 2, 3& 4
• B. 2, 3, 1& 4
• C. 2, 1, 4& 3
• D. 2, 4, 1& 3