New Delhi, Sept. 23 -- India's private sector activity accelerated in September, with the HSBC Flash India Composite PMI Output Index rising to 56.5 from 54.3 in August, marking the strongest expansion since June.

The September data indicated an improvement in business conditions across India's private sector, with output growth accelerating in both manufacturing and services, led by goods producers.

"Indian private sector firms recorded a faster increase in total new business during September. Demand strengthened across both monitored sectors, though the more pronounced acceleration was seen at goods producers," the release said, adding sales growth remained above that recorded by services companies and hit a seven-month high.

The HSB...