The IT services firm celebrated this special occasion with a special bell -ringing ceremony at the National Stock Exchange ( NSE ) in Mumbai . The company went public on January 11 ,2000 ,and has since become one of the largest India -headquartered global companies . Hcltech accumulated over 1,300 per cent returns for its shareholders over these 25 years . From a little under 3,000 employees in January 2000 ,Hcltech now employs over 220,000 people ,representing 167 nationalities across 60 countries.