An egg laying concrete block machine or a stationary vibrating table with steel moulds for hollow blocks and grooved fence posts is the central equipment investment, with egg laying block machines listed from around ₹2,05,000 depending on capacity and automation level. You also need plate vibrators to compact each mould, a supply of crushed stone dust, grit and cement, water for curing, and open yard space with road access for a mixer, stacking area and a truck to deliver finished blocks.
Land access near an arterial link road matters as much as the machinery itself, since this is a bulky, low-margin-per-piece product that depends on volume and easy transport to nearby plots. Curing takes time and space, so budget for enough yard area to hold several days of green block production at once.
Margins per block are thin, so income comes from volume tied directly to how much plot sale and construction activity is happening on your town's expanding edges. Concrete hollow blocks priced from roughly ₹25 to ₹44 per piece against cheaper clay bricks at ₹6 to ₹12 per piece sound like a premium, but fewer, larger hollow blocks are needed to build the same wall area, which is the argument that wins builders and plot owners over.
Income depends on staying close enough to active plot development to keep transport cost low, since blocks are heavy and expensive to move long distances. The cap is local real estate growth itself, since this business slows immediately if plot sales in your area slow down. We found no published income figure for an independent concrete block yard.
Figures are quoted from the sources listed under Useful resources on this page. Check them against current local prices before you rely on them.