Comment by msravi

About 10-12 years ago, almost every construction I came across in Bangalore used to use river sand. Today, most construction sites I see use M-sand or manufactured sand. River sand is at least 4x the cost of M-sand and that has automatically driven people to shift to using M-sand. River sand mining bans have also increased the cost to sand miners, who in turn pass it on to their clients down the chain, so it's helping...