Who was the first scientist to challenge the geocentric theory

Copernicus was the first to challenge Ptolemy's geocentric universe theory. In his work, De Revolutionibus Orbium Caelestium, published in 1543, Copernicus explained his new heliocentric, or sun centered, model.

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"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."