Infosys shares plummeted more than 10% after the results were announced, while the BSE Sensex was trading 0.4% lower.
Last year, Carlyle invested in Mankekars-backed financial services firm India Infoline.
MT Educare raised Rs 99 crore through its IPO last month which was oversubscribed 4.8 times.
Carlyle, which has $147b in assets under management, plans to sell a 10% stake to raise $750m to $800m in the IPO.
Other suitors include Azim Premji's Premji Invest and private equity firm New Silk Route.
Hedge fund Elliott Management Corp, an activist shareholder, owns 11% stake in Patni.
Buoyant equity markets have given PE firms a window to exit current holdings and raise more funds for new investments.
At the upper end of the price band, the company is eyeing a valuation of Rs 315 crore ($63 million).
Telenor owns 67.25% of the joint venture, while Unitech owns the remainder.
Last year, Warburg Pincus exited its 5-year-old investment in Vaibhav Gems with an estimated 92.5% haircut.
TCI is giving formal notice of a dispute under two bilateral trade agreements between India & the UK and India & Cyprus.
Brokerages await further clarification on General Anti-Avoidance Rules (GAAR), which override all tax treaties.
Godrej has set the price band at Rs 575 to Rs 620 per share for the sale.
Warburg Pincus, ChrysCapital exited when promoters sold their stake in the firm to Amtek Auto in a consolidation move.
The private investment arm of Wipros billionaire chairman Azim Premji picks up stake in Trent for Rs 122 crore.
The IPO could raise $1 billion to help its parent company pare a heavy debt burden.
In 2011, Carlyle distributed about $19 billion to its fund investors, up from $8 billion in 2010.
Wipro, India's third largest software services exporter, is the first private sector co to tap the share auction route.
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