In the depths of India's illegal mica mines, where children as young as five work alongside adults, lurks a dark, hidden secret - the cover-up of child deaths with seven killed in the past two months, a Thomson Reuters Foundation investigation revealed...some of the key findings of a three-month long investigation in the states of Jharkhand, Bihar, Rajasthan and Andhra Pradesh into child labour involved in producing mica, the mineral that puts the sparkle into make-up and car paint...Mine operators and victims' families are covering up these deaths, not reporting them but accepting payments for fear of ending the illegal mining that brings much needed income to poor areas, according to campaigners and victims' families.