UltraTech, led by Kumar Mangalam Birla, is in advanced talks to acquire Orient Cement from CK Birla for Rs 350-375 per share to counter Adani Cement, following a 23% stake in India Cements. Valued at Rs 6,417.51 crore or $109-110 per ton, Orient Cement's acquisition might finalize by July 19, pending Telangana expansion contingency.