Mindtree and L&T Infotech announce merger to be India’s 5th largest IT services – L&T Infotech and Mindtree, the two independently listed IT services companies under Larsen & Toubro Group, on Friday announced a merger that would create India’s fifth-largest IT services provider. Mindtree and LTI’s integration will create an efficient and scaled up IT services provider exceeding USD 3.5 billion.