16. Preparation of Functional Plans.—After the Regional Plan has come into operation, the Board
may prepare, with the assistance of the Committee, as many Functional Plans as may be necessary for the
proper guidance of the participating States and of the Union territory.
17. Preparation of Sub-Regional Plans.—(1) Each participating State shall prepare a Sub-Regional
Plan for the sub-region within the State and the Union territory shall prepare a Sub-Regional Plan for the
sub-region within the Union territory.
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(2) Each Sub-Regional Plan shall be a written statement and shall be accompanied by such maps,
diagrams, illustrations and descriptive matters as the participating State or the Union territory may deem
appropriate for the purpose of explaining or illustrating the proposals contained in such Sub-Regional
Plan and every such map, document, illustration and descriptive matter shall be deemed to be a part of the
Sub-Regional Plan.
(3) A Sub-Regional Plan may indicate the following elements to elaborate the Regional Plan at the
sub-regional level, namely:—
(a) reservation of areas for specific land-uses which are of the regional or sub-regional
importance;
(b) future urban and major rural settlements indicating their area, projected population,
predominant economic functions, approximate site and location;
(c) road net-work up to the district roads and roads connecting major rural settlements;
(d) proposals for the co-ordination of traffic and transportation, including terminal facilities;
(e) priority areas at sub-regional level for which immediate plans are necessary;
(f) proposals for the supply of drinking water and for drainage; and
(g) any other matter which is necessary for the proper development of the sub-region.
18. Preparation of Project Plans.—A participating State, or the Union territory, may, by itself or in
collaboration with one or more of the participating States or the Union territory, as the case may be,
prepare Project Plans for one or more elements of the Regional Plan, Functional Plan or Sub-Regional
Plan.
19. Submission of Sub-Regional Plans to the Board.—(1) Before publishing any Sub-Regional
Plan, each participating State or, as the case may be, the Union territory, shall, refer such Plan to the
Board to enable the Board to ensure that such Plan is in conformity with the Regional Plan.
(2) The Board shall, after examining a Sub-Regional Plan, communicate, within sixty days from the
date of receipt of such Plan, its observations with regard to the Sub-Regional Plan to the participating
State or the Union territory by which such Plan was referred to it.
(3) The participating State, or, as the case may be, the Union territory, shall, after due consideration
of the observations made by the Board, finalise the Sub-Regional Plan after ensuring that it is in
conformity with the Regional Plan.
20. Implementation of Sub-Regional Plans, etc.—Each participating State, or, as the case may be,
the Union territory shall be responsible for the implementation of the Sub-Regional Plan, as finalised by it
under sub-section (3) of section 19, and Project Plans prepared by it.