(Adds T-Mobile US, McGraw-Hill Education, Osram, CPFL Energia; Updates Presidio)
Aug 14 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Wednesday:
** U.S. Federal Communications Commission Chairman Ajit Pai circulated a draft order that would grant approval to the $26 billion tie-up of T-Mobile US Inc and Sprint Corp .
** CBS Corp and Viacom Inc have reached a deal to reunite media mogul Sumner Redstone's U.S. entertainment empire, betting that a larger company will be able to compete and partner better in a media industry dominated by giants.
** The U.S. Federal Trade Commission is prepared to break up major technology companies if necessary by undoing past mergers, Chairman Joe Simons said in an interview with Bloomberg published on Tuesday, as the regulator probes anti-competitive practices in the sector.
** Australia's Aveo Group said it had signed a deal with units of Brookfield Asset Management under which the Canadian firm will buy the Australian retirement home operator for A$1.27 billion.
** IT services company Presidio Inc said it would be taken private by BC Partners in a $2 billion all-cash deal, as the European buyout fund looks to expand its footprint in the cybersecurity space.
** An education group seeking to increase access to college textbooks and research materials asked the U.S. government to block the proposed merger of textbook publishers McGraw-Hill Education Inc and Cengage Learning Holdings II Inc.
** Osram and AMS said that talks about a takeover of the German lighting group by the Austrian sensor maker were progressing.
** Lithium-focused explorer Argosy Minerals Ltd said it has executed an agreement to buy tenements comprising the Tonopah Lithium Project in Nevada, United States.
** Japanese drugstore giant MatsumotoKiyoshi Holdings said it was starting talks to merge with rival Cocokara Fine Inc, possibly creating the country's biggest chain of discount pharmacies with nearly $10 billion in annual sales.
** China's troubled Anbang Insurance Group has put its $2.4 billion property portfolio in Japan up for sale and previous owner Blackstone Group is bidding, two people familiar with the company's plans said.
** Norwegian investor Petter Stordalen's Nordic Choice Hospitality Group has acquired Kamp Collection Hotels, a prestigious chain of hotels in Helsinki, from asset manager Capman, the seller's Capman Buyout fund said.
** Saudi automotive company Mohamed Yousuf Naghi Motors has acquired the Ford Motor and Lincoln distributorship from Al Jazirah Vehicles Agencies Co in the western and southern regions of Saudi Arabia, the law firm advising the deal said.
** Brazilian power company CPFL Energia is considering bidding in the privatization of Rio Grande do Sul state power company CEEE and looking for other targets to grow its distribution business, Chief Executive Officer Gustavo Estrella told analysts in a conference call.
Compiled by Aakash Jagadeesh Babu and Nivedita Balu in Bengaluru