Which among the following neighbouring country of India is the largest producer of Opium in the World?
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In November 2017, who launched ‘Grahak Sadak Koyla Vitaran App’ that aims to benefit customers of Coal India Limited (CIL)?
Who appoints Chief Election Commissioner of India?
Raymond Samuel Tomilson is famous for developing which of the following?
________________ refers to the superposing of two or more coherent waves to produce regions of maxima and minima in space, according to the principle of superposition.
Which among the following is not a characteristic of oxidation reaction?
Bronze is an alloy of
___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.