According to a report in the Economic Times, dated 6th Sept. 2011:

India’s largest software services exporter, Tata Consultancy Services, has put in a bid valued at $500 million to acquire a controlling stake in Lufthansa IT systems, the captive information technology unit of the Frankfurt-based airline, two people said on condition of anonymity.

TCS is in talks to negotiate a multi-year contract from Lufthansa which could yield revenues in excess of $2 billion for the company according to people familiar with the bidding process.

Credit Suisse is advising TCS on its bid for Lufthansa IT systems.

According to Lufthansa System’s website:

Lufthansa Systems provides consulting and IT services for selected industries and has a leading position in the global aviation industry. The wholly-owned subsidiary of the Lufthansa Group offers its customers the entire range of IT-services, including consulting, development and implementation of industry solutions as well as operations.
At its headquarters in Kelsterbach near Frankfurt/Main, Germany, the company operates one of the most modern data centers in Europe. Lufthansa Systems has offices in Germany and 16 other countries and employs about 3,000 people.

(Site accessed on: 10.09.2011)

Lufthansa Systems also has a strong presence in the Metropolitan Region of Hamburg, where it operates 3 branch offices, including one in Norderstedt.