一封机密信件显示，控制着从盐到航空业务的塔塔慈善机构的一名高级受托人已寻求对涉嫌内部失误进行监管调查，这加深了印度最具影响力的商业集团之一内部的裂痕。
A senior trustee at the Tata charities that control the salt-to-aviation group has sought a regulatory investigation into alleged internal lapses, a confidential letter shows, deepening a rift at one of India's most influential business groups.