New Delhi, Nov. 7 -- Mphasis Ltd capped a strong outing in the second quarter for India's mid-sized tech services companies, which were undeterred by an uncertain demand environment and cautious client spending.

However, the exception was Sonata Software, which reported revenue of $256 million on Friday, a 26% drop from the previous quarter. The second quarter is seasonally weak for Sonata's domestic business, which primarily involves selling software licences and makes up about three-fifths of the company's overall revenue. Fewer software licences are sold during the quarter.

A day earlier, Blackstone-owned Mphasis reported its best second quarter in five years with a 3.2% sequential increase in revenue to $486 million in the July-Sept...