According to sources close to the development, Anil Ambani's team is likely to get hold of MTN books in next 48 hours as a part of the due diligence process.
Any decision on the structure of the new entity in the post-merger scenario will be taken only after completion of the due diligence.
Asked by when the process would be completed, sources said there is exclusivity of 45 days by when the two companies have to decide on the potential merger.
On May 26, RCom announced entering into exclusive negotiations with MTN to discuss potential combination of their businesses.
RCom Chairman Anil Ambani had said talks were aimed at achieving "a partnership, which would provide investors, customers and the people of both companies a unique and global platform for exponential growth, creating substantial long-term shareholder value".
On May 24, Bharti Airtel ended its 21-day negotiations with MTN on the ground that the South African company proposed to make the Indian company a subsidiary.