any supportive data for updating the inaugural run ? if yes then please present

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You can check the return train.

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IR doesnt function on the principal of "you can check it"
any change has to be backed by supportive data rather than any assumption or personal knowledge etc

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Then tell me why was it updated so. It was inaugurated in 1964.

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" Then tell me why was it updated so. It was inaugurated in 1964 " --- what kind of reasoning is that ? are you in role of replicating errors done by others ? or do you think the data on IRI is updated one personal judgement itself ?
please be more reasoned and sound while conducting TL Monitor duties

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