New Delhi, March 31 -- India's industrial activity marginally gathered pace in February, with the Index of Industrial Production (IIP) rising 5.2% year on year, up from a revised 5.1% in January, data released by the National Statistical Office (NSO) on Monday showed. Manufacturing, which carries the highest weight (77.6%) in the index, expanded 6% in February, accelerating from 5.3% in January. Meanwhile, mining output grew 3.1% and electricity generation rose 2.3%, compared to 4.3% and 5.1% in January, respectively. The overall IIP index stood at 159 in February versus 151.1 a year ago. "The encouraging aspect was the acceleration seen in manufacturing sector growth (to 6% from 5.3% last month) which helped offset the moderation seen in m...