According to the allocation of business activities of the Ministry of Chittagong Hill Tracts Affairs are as follows:
• Administrative work of the Ministry of Chittagong Hill Tracts
• Advisory Support to Chittagong Hill Tracts local governments in selected issues
• Coordination among concerned ministries and departments
• Secretarial support for all council committee, special committee and working committee related to Chittagong Hill Tracts
• Advisory support, monitoring and implementation to Government and different committees
• Preparation of planning and development activities for government and Chittagong Hill Tracts
• Implementation of works taken for the development of Chittagong Hill Tracts regional council and district council
• Implementation of works in accordance with the traditional laws of Chittagong Hill Tracts upazila council, Municipality, Union council, village council and other local government
• Coordination among all concerned government agencies to protect the environment and geological aspects of Chittagong Hill Tracts
• Development work for the betterment of the Tribal and non tribal people of Chittagong Hill Tracts economic, education, culture, social activities, language, religious indigenous activities.
• Running and coordination of relief and rehabilitation work during disaster period in Chittagong Hill Tracts
• Monitoring work of NGO activities in Chittagong Hill Tracts
• Monitoring and coordination of Chittagong Hill Tracts regional council and all local government council’s development work and coordination of all inter ministries/ Departments development works
• Administration of Chittagong Hill Tracts Development Board
• Chittagong Hill Tracts related issues of International Centre for integrated mountain development (ICIMD)
• Issues of the civil affairs office, Chittagong
• Liaison among Ministry of Chittagong Hill Tracts and other concern
international organizations and other international issues
• Preparation of Laws related to the ministry of Chittagong Hill Tracts
• Inquiry and statistical issues of ministry of Chittagong Hill Tracts