There was a New Deal case of a farmer growing wheat for his own consumption: the Feds claimed the right to restrict this as his non-consumption, as a result of growing his own, of out of state wheat meant that this was inter-state commerce.

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Filburn, from 1942, the Court said that the federal government could regulate the amount of wheat grown on a farm, even if none of the wheat was sold across state lines, or even if no wheat was sold at all.

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The government of Indira Gandhi dithered for months before the main Sikh political party, the moderate Akali Dal, threatened to disrupt grain supplies from the wheat-rich state.

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This power has been read widely enough that a farmer growing wheat for his own consumption came under Congressional power because wheat itself is traded across state lines, even if his specific wheat was not.

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Pre-monsoon showers already have damaged some of the newly-harvested wheat crop in the breadbasket state of Punjab in western India.

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Wheat and millet crops in Maharashtra have also been hurt by the drought, said Umakant Mangat, the state's agriculture commissioner.

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