India, May 6 -- India's service sector activity continued to expand sharply in April, as growth in sales and output was among the fastest in fourteen years, flash survey data from S&P Global showed on Monday.

The flash HSBC services purchasing managers' index dropped to 60.8 in April from 61.2 in March. However, a score above 50 indicates expansion in the sector.

The latest overall upturn in output was due to favourable economic conditions, demand strength, and rising intakes of new work, the survey said.

Among the four sub-categories, the steepest growth was seen in the finance and insurance segment.

New orders rose sharply in April, well above their long-run average and among the strongest in fourteen years. The increase in new export...