New Delhi, March 25 -- India's private sector business activity, as seen in the Flash Purchasing Managers' Index (PMI), fell slightly to 58.6 in March from the final reading of 58.8 in February, according to data released by S&P Global on Monday.

A weaker growth in services activity primarily caused the slight moderation, the date showed.

To be sure, the flash PMI number was above its long-run average of 54.7 and continued to remain above the 50-mark, which indicates an expansion over the previous month's activity levels. PMI reading has been in the expansion zone for over three years now.

Flash PMI values are released a few days ahead of the actual PMI numbers, and include 80-90% of the responses used in the calculation of the final PMI...