Yes, loss of 30 managers out of 120 in one year is a serious matter of concern. 30 out of 120 in one year means a turnover rate of 25%. Management needs to look at this issue very carefully an understand why this happened. Crucial questions like- were there any warning signs? Were they overlooked? Was any attempt being made to resolve the isssues? Etc must be asked. When the turnover rate is so high that means valuable employees are lost in the process. The issue needs to be researched and the exact reason has to be found out that why employees are leaving HCLC.