Three out of four labourers who entered the well of a sewage treatment plant in Agra to clean it died due to leakage of Methane gas.
01 December,2015 01:41 PM IST
Three out of four labourers who entered the well of a sewage treatment plant in Agra to clean it died due to leakage of Methane gas.
01 December,2015 01:41 PM IST
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