<P> The design and manufacturing process for the national flag is regulated by three documents issued by the Bureau of Indian Standards (BIS). All of the flags are made out of khadi cloth of silk or cotton . The standards were created in 1968 and were updated in 2008 . Nine standard sizes of the flag are specified by law . </P> <P> In 1951, after India became a republic, the Indian Standards Institute (now the BIS) brought out the first official specifications for the flag . These were revised in 1964 to conform to the metric system which was adopted in India . The specifications were further amended on 17 August 1968 . The specifications cover all the essential requirements of the manufacture of the Indian flag including sizes, dye colour, chromatic values, brightness, thread count and hemp cordage . The guidelines are covered under civil and criminal laws and defects in the manufacturing process can result in punishments that include fines or jail terms . </P> <P> Khadi or hand - spun cloth is the only material allowed to be used for the flag, and flying a flag made of any other material is punishable by law with imprisonment up to three years, besides a fine . Raw materials for khadi are restricted to cotton, silk and wool . There are two kinds of khadi used: The first is the khadi - bunting which makes up the body of the flag, and the second is the khadi - duck, which is a beige - coloured cloth that holds the flag to the pole . The khadi - duck is an unconventional type of weave that meshes three threads into a weave, compared to the two threads used in conventional weaving . This type of weaving is extremely rare, and there are fewer than twenty weavers in India professing this skill . The guidelines also state that there should be exactly 150 threads per square centimetre, four threads per stitch, and one square foot should weigh exactly 205 grams (7.2 oz). </P> <P> There are four places in the country licensed to make the cloth for the national flag, they are in Karnataka, Marathwada, Barabanki in UP, and Banetha in Rajasthan . The woven khadi is obtained from two handloom units in the Dharwad and Bagalkot districts of northern Karnataka . Currently, Karnataka Khadi Gramodyoga Samyukta Sangha based in Hubli is the only licensed flag production and supply unit in India . Permission for setting up flag manufacturing units in India is allotted by the Khadi Development and Village Industries Commission, though the BIS has the power to cancel the licences of units that flout guidelines . The hand - woven khadi for the National Flag was initially manufactured at Garag, a small village in the Dharwad district . A Centre was established at Garag in 1954 by a few freedom fighters under the banner of Dharwad Taluk Kshetriya Seva Sangh and obtained the Centre's licence to make flags . </P>

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