Early 2007: Patni in discussion for stake sale to Apax Partners and the Texas Pacific Group (TPG).
Oct 2007: Stake sale called off due to management issues and pricing mismatch.
2009: General Atlantic looks at selling stake, which again falls apart on pricing concerns.
Oct 2010: Patni starts fresh round of discussions; iGate-Apax and Caryle-Advent consortiums in fray.
Dec 2010: iGate-Apax tipped to be the frontrunner.
Jan 2, 2011: Deal announcement with iGate delayed over tax issues.
Jan 10, 2010: iGate-Apax buys 63 per cent stake in Patni.
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