The correct answer is D. All of the above.
The District Planning and Development Board (DPDB) is a statutory body constituted by the State Government to prepare and implement the district development plan. The DPDB is headed by the District Collector and has representatives from the State Government, local bodies, and other stakeholders.
The Chairman of the DPDB is the District Collector. The Members of Parliament (MPs) and Members of Legislative Assembly (MLAs) from the district are also members of the DPDB. The President of the Municipal Council is also a member of the DPDB.
The DPDB is responsible for preparing the district development plan, which is a blueprint for the development of the district. The plan is prepared in consultation with the State Government, local bodies, and other stakeholders. The DPDB is also responsible for implementing the district development plan.
The DPDB is an important body for the development of the district. It brings together all the stakeholders in the development process and ensures that the development plan is prepared and implemented in a participatory manner.