New Delhi, March 26 -- Infosys Ltd's announcement late Wednesday to buy two US-based tech services firms for $560 million takes its acquisition spend in a fiscal to an all-time high, reflecting the pressing need for new capabilities as automation tools upend India's tech sector.

The country's second-largest information technology (IT) services company said it will spend up to $465 million to buy Optimum Healthcare IT, a Florida IT services and consulting firm.

On the same day, it announced the acquisition of Stratus, a New Jersey-based tech services provider to the insurance sector, for up to $95 million.

Both deals are in cash and are expected to close by June. The payment includes upfront amounts and earn-outs but excludes management...