IBM said on Tuesday it has more than doubled its headcount in India to 50,000 in the last two years.
"IBM has more than doubled the number of people it employs in India over the past two years to over 50,000. This means that one in six of IBM's workers is now based in India," a company statement said.
IBM had recently said it will invest $6 billion in India by 2009.
"We have invested $2 billion (in the last three years). We will spend $6 billion by 2009," IBM Asia-Pacific President Frank Kern said last week.
As part of its expansion plans at its India Research Laboratory, the company has shifted its lab in Delhi, earlier located