Power Minister R K Singh has approved the formulation of ‘Dispute Avoidance Mechanism’ for construction contracts of central public sector enterprises executing hydro power projects, the power ministry said on Wednesday. The dispute avoidance mechanism mandates the appointment of independent engineers having domain knowledge of the subject for a specific project can have regular oversight over the project, with open communication with all the key stakeholders that can play an effective role in the avoidance of disputes, the ministry said in a release.