The two corporates sell their stakes in the oil and gas exploration company to their fellow investor Hindustan Petroleum Corporation after setting up the company in 1998.

Accelrys buys the medical software company previously backed by General Electric and other venture investors

Rahu was founded in early 2006 as a spin-out from Anglo-Dutch consumer goods maker Unilever's Ventures unit that incubates ideas and takes minority equity stakes in UK entrepreneurs and managed by co-founders Paul Smith and Dermott Hill.

The music company backed by News Corporation, Intertrust Technologies, the Wellcome Trust and Allen & Co. is reportedly winding down, despite announcing it had raised $77m last year.

Expand Networks, which went into receivership in October, is set to be acquired by its network optimisation rival Riverbed Technology for a reported $10m.

Disney and Softbank-backed mobile advertising network VoodooVox is being acquired by Call Genie, with Call Genie stock making up the bulk of the payment.

IDG-Accel, the China-based joint venture between US publisher International Data Group and venture capital firm Accel Partners, and Qiming Ventures, a local VC firm, have invested $50m.

In May 2010, Sipera raised $10m to take its total to $48m from a consortium of Duchossois Technology Partners, the corporate venturing unit of US industrial conglomerate Duchossois Group, and venture capital firms S3, Austin Ventures, Sequoia Capital and Star Ventures.

Nexon sold 90 million shares at Y1300 each in Japan's biggest initial public offering this year co-ordinated by investment banks Nomura, Morgan Stanley and Goldman Sachs.