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Community development block
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<p>In <a href="/facts/India/1kKHcnxM">India</a>, a community development block (CD block) or simply Block is a sub-division of <a href="/facts/District/s3XhRrEk">District</a>, administratively earmarked for planning and development. In tribal areas, similar sub-divisions are called tribal development blocks (TD blocks). The area is administered by a <a href="/facts/Block_(country_subdivision)/vNlSHlte">Block Development Officer</a> (BDO), supported by several technical specialists and village-level workers. A community development block covers several <a href="/facts/Gram_panchayat/uqnhp8x5">gram panchayats</a>, the local administrative units at the village level. A block is a rural subdivision and typically smaller than a tehsil. A <a href="/facts/Tehsil/HzfAvpyT">tehsil</a> is purely for revenue administration, whereas a block is for rural development purposes. In most states, a block is coterminous with the <a href="/facts/Panchayat_samiti/6plfh9of">panchayat samiti</a> area. </p>