"We never judge the cases, " says Abid Ali Z Neemuchwala, vice president for business-process outsourcing services at Tata Consultancy.

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OptumInsight : The consulting division of UnitedHealth Group, providing business process outsourcing, advisory and data processing services to its clients.

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All the firms offer services from high-end businesses like IT consulting to low-end management of servers and business process outsourcing.

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