The company's net profit stood at Rs 41.5 crore in the same period last year.
Revenues grew 12.1 per cent to Rs 799.8 crore in the reported quarter from Rs 713.2 crore in the corresponding period last year.
Commenting on the performance, Chairman RP-Sanjiv Goenka Group and Firstsource Sanjiv Goenka said: "Costs have reduced and loss making accounts have been terminated. Our focus on the UK market as a key onshore delivery geography continues to be strengthened."
"We have performed well despite the December quarter being a traditionally weak one," he told PTI.
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Quarter-on-quarter (q-o-q), Firstsource's net profits rose 7.8 per cent and revenues were up by 1.1 per cent.
About 47 per cent of the revenues were from the US, while the UK accounted for 36 per cent and 17 per cent was derived from Rest of World, including India.
In terms of verticals, 44 per cent of the company's revenues came from Telecom and Media, while 32 per cent was from Healthcare, 23 per cent from BFSI and one per cent from others.
The annualised attrition (post 180 days) stood at 49.2 per cent for offshore (India and Philippines) operations (from 57.3 per cent in Q2 FY2014), while that of onshore (US and Europe) was 33.8 per cent (against 47.4 per cent).
The company expanded operations in Philippines with the second delivery centre in Cebu during the quarter.
At the end of December 2013, it had cash of Rs 187.6 crore on its books.
Going forward, Goenka said: "We believe Healthcare business and Customer Management segment will be important areas of growth.