UPDATE 1-Deals of the day -- mergers and acquisitions

(Adds Citigroup, Caledon, Warburg, NTT DoCoMo, others)

Aug 7 (Reuters) - The following bids, mergers, acquisitions and disposals involving European, U.S. and Asian companies were reported by 0900 GMT on Friday.

(For Reuters columns on deals, double-click [DEALTALK/])

** Citigroup Inc (C.N) may give control of its Phibro commodities business to Andrew Hall, the energy trader making headlines for demanding a $100 million payday under his contract, The New York Times said, citing a person with knowledge of the negotiations.

To read more, double-click [ID:nN06360778]

** Australian coking coal producer Caledon Resources Plc CDN.L CCD.AX confirmed that it received approaches from India's Essar Minerals Ltd and other parties which may lead to a possible cash offer. [ID:nL7709431]

** Two of the world's dominant cotton merchants are in talks to merge their global operations and plan to strike a deal by the end of the third quarter, U.S.-based Allenberg Chief Executive Joe Nicosia said. [ID:nN06120373]

** Private-equity firm Warburg Pincus [WP.UL] is looking to sell its 50.12 percent stake in back-office firm WNS Global Services (WNS.N), the Economic Times said. [ID:nBOM156652]

** India may raise 150 billion rupees ($3.2 billion) by selling up to 20 percent stake in state-run firms, Steel Minister Virbhadra Singh said. [ID:nDEB000855]

** Japan's top wireless operator NTT DoCoMo Inc (9437.T) is interested in buying Luxembourg-based telecom operator Millicom's MICC.O Cambodian network to boost its presence in Southeast Asia, an executive said. [ID:nTKG006459]

** Social landlord Housing 21 made a 39 pence per share offer for Claimar Care CCGP.L, a provider of care in the home, valuing the company at about 20 million pounds ($33.97 million), they said. [ID:nL7718545]

** C-Quest Capital has invested an undisclosed sum in Nebraska-based carbon offset company SunOne Solutions, the U.S. carbon finance company said. [ID:nL748962]

** Elder Pharmaceuticals Ltd (ELDP.BO) is in talks with a clutch of private equity firms to raise up to 1.50 billion rupees by selling a 14 percent stake in the company, the Economic Times newspaper reported. [ID:nBOM458777]

** Poland's government will go through with a further sell-off of copper miner KGHM KGHM.WA, with the plan being to sell a 10 percent stake to help the ailing state budget, Prime Minister's aide was quoted as saying. [ID:nL7692657]

** Poland will seek a significant premium over the current market price of about 20 zlotys apiece in an ongoing tender for listed utility Enea ENAE.WA, Deputy Treasury Minister Jan Bury told Reuters. [ID:nWSF008658]

** The family owners of Italian car designer and niche manufacturer Pininfarina SpA (PNNI.MI) have hired Italy's Banca Leonardo to sell their majority stake in the company, a company source said. [ID:nL719828]

** Sports Direct (SPD.L), Britain's biggest sporting goods retailer, faces an investigation by regulators into its purchase of 31 stores from rival JJB Sports (JJB.L) after failing to find a buyer for five of the shops. [ID:nL7708348]

** Belgian holding company GIMV (GIMV.BR) said it was investing an additional 30 million euros ($43.14 million) in Finland's CapMan Plc (CPMBV.HE), saying it planned to up its stake in the Helsinki-listed asset manager. [ID:nL779854] (Compiled by Tina Kwan in Singapore, and Brenton Cordeiro in Bangalore)