According to a notice from the CCI, the proposed transaction involves a two-stage acquisition process, which was initiated through two share purchase agreements (SPAs) on October 22, 2024. As part of the deal, Ambuja Cements will initially acquire a 46.80 per cent stake in Orient Cement. This includes a 37.90 per cent stake from the current promoter group and an additional 8.90 per cent from certain public shareholders.

The notice further stated that following the acquisition of shares, an obligation would be triggered for the acquirer to make an open offer under the Sebi's SAST (Substantial Acquisition of Shares and Takeovers) rules, aimed at acquiring up to 26 per cent of the expanded share capital of the target company. If the open offer is fully accepted, Ambuja Cements' stake would rise to 72.8 per cent, as per the notice filed with the CCI.

In October, the Adani Group, led by Gautam Adani, had announced the signing of a binding agreement to acquire Orient Cement (OCL) at an equity value of Rs 81 billion. This acquisition would increase Adani Cement's capacity by 16.6 million tonnes per annum (MTPA), which is operated through Ambuja Cements.

Ambuja Cements, part of the diversified Adani Group, is a leading cement and building materials company in India. It operates 22 integrated cement plants, 10 bulk cement terminals, and 21 grinding units across the country.