(Adds Cielo, Telereal Trillium, Marubeni, Chain; updates SAIC)
Sept 10 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Monday:
** Britain's Network Rail agreed to sell its commercial property portfolio to property outsourcing firm Telereal Trillium and a Blackstone Group affiliate for 1.46 billion pounds ($1.9 billion) as it pushes for further improvement of its railways.
** The owners of a proposed German department store chain formed by the merger of Karstadt and Kaufhof, have agreed to provide the company with a cash injection of 400 million euros ($464 million), reported a magazine
** Russian Direct Investment Fund, Japan's Marubeni Corporation and Russia's AEON Corporation have agreed to develop an industrial facility in the Russian city of Volgograd, the Russian investment fund said.
** Japan's SBI Holdings will become a co-investor in Russia's Sovcombank along with the Russia-China Investment Fund, said Russian Direct Investment Fund.
** Brazilian payment processor Cielo SA will conclude the acquisition of a 70 percent stake in technology company Stelo SA this week, according to a securities filing.
** Science Applications International Corp (SAIC) said it will acquire Engility Holdings Inc for $1.5 billion in stock, a deal that will turn it into the second-largest independent U.S. government services contractor.
** San Francisco technology start-up Chain Inc has been acquired by Lightyear Corp, a company focused on the Stellar blockchain, Chain Chief Executive officer Adam Ludwin said.
** Saudi Arabia's sovereign wealth fund has chosen Goldman Sachs, Bank of America Merrill Lynch and Michael Klein as advisers on its planned sale of a stake in petrochemicals firm SABIC to Saudi Aramco, sources familiar with the process said.
** RPC Group is in talks on a possible sale to Apollo Global Management and Bain Capital, with the private equity interest in the fast consolidating market lifting shares in Europe's biggest plastics packaging maker by 25 percent.
** Investa Office Fund said it has set Sept. 17 as the date for its shareholders to vote on Blackstone Group's sweetened A$3.3 billion ($2.4 billion) bid. (Compiled by Bharath Manjesh and Shanti S Nair in Bengaluru)