Historical stock prices for Patni Computer Systems Limited (PTI). iGATE Computer Systems Limited, formerly Patni Computer Systems Limited, is a provider of integrated offshore centric information technology (IT) and IT-enabled operations solutions and services. It delivers a range of IT services through globally integrated onsite and offshore delivery locations primarily in India. It offers its services through industry focused practices, including insurance and healthcare (IHC), manufacturing, retail and logistics (MRDL), banking and financial services (BFS), communications and utilities (CEU), and media and entertainment (MELT) and through technology focused practices. IT services include application development, application maintenance and support, verification and validation, enterprise application solutions, business intelligence and data warehousing, packaged software implementation, infrastructure management services, quality assurance services and product engineering services. On May 12, 2011, it was acquired by iGATE Corporation.