Acquisition to boost its generics business in developed markets.
The deal underscores a growing trend of consolidation in Asia's wealth management industry.
Would-be investors such as KKR, the Blackstone Group and Macquarie Group are looking at buying into completed projects.
Authorities claimed that a share sale by the company to its overseas parent in 2009 was undervalued by about Rs 15,200 crore.
Google's successful bid came after Apple Inc had expressed interest in buying Wavii to incorporate the startup's natural language technology into Siri, Apple's voice-activated personal assistant feature, said the person, who declined to be named because the deal has not been publicly announced.
The planned fund could help New Delhi raise between $1 billion and $2 billion.
The buyer received poor investor response to the pricing of the share sale.
Authorities are checking deals involving more than three dozen companies.
The deal values the firm at more than $9 billion.
Twitter's new release came days after Instagram unexpectedly said it would no longer allow Twitter to display Instagram photos.
Investors including units of Morgan Stanley and Citigroup have agreed to buy 28.3 million shares of Bharti Infratel at Rs 230 apiece.