3i Infotech Limited has informed the stock exchanges that it has acquired 26% stake in taxsmile.com. 3i Infotech seems to be in the middle of a acquisition spree. Recently 3i Infotech had aquired majority stake in HCCA Business Services, a company which specialises in HR and payroll processing. Markets sources say 3i Infotech is closing in on acquiring majority stake in two other companies also.