Ready-mix concrete — the workhorse of modern urban construction, delivered to site by volume.
ready-mix concrete prices in Kolkata, West Bengal, sourced from dealer networks and leading online marketplaces. Ranges reflect the spread between authorised-dealer bulk rates and retail single-unit rates. Prices are 3 % below the 50-city national average — you benefit from proximity to manufacturing/quarry supply.
| Item | Unit | Price in Kolkata |
|---|---|---|
| Ready-Mix M20 | per m³ | ₹5,170 ₹4,840–5,500 (dealer-to-retail) |
| Ready-Mix M25 | per m³ | ₹5,610 ₹5,280–5,940 (dealer-to-retail) |
| Ready-Mix M30 | per m³ | ₹6,050 ₹5,720–6,380 (dealer-to-retail) |
| Ready-Mix M35 | per m³ | ₹6,600 ₹6,160–7,040 (dealer-to-retail) |
| Ready-Mix M40M40· inferred from brand premium | per m³ | ₹6,996 ₹6,530–7,462 (dealer-to-retail) |
| Lean Concrete M10 (PCC)M10/PCC· inferred from brand premium | per m³ | ₹3,619 ₹3,388–3,850 (dealer-to-retail) |
| Plasticizer AdmixturePlasticizer· inferred from brand premium | per kg | ₹90 ₹64–116 (dealer-to-retail) |
| Superplasticizer AdmixtureSuperplasticizer· inferred from brand premium | per kg | ₹161 ₹114–208 (dealer-to-retail) |
Supply. Kolkata cement comes mainly from the Chhattisgarh (Baloda Bazar) and Jharkhand belts plus eastern-region grinding units; TMT is well-supplied from the SAIL/Bhilai and local eastern mills, and aggregate is railed in from Jharkhand and Odisha quarries since the Bengal delta has no hard rock. For ready-mix concrete specifically, this places Kolkata on the favourable side of the national cost band — the page's table reflects 3 % below the 50-city national average.
What moves the local price. the alluvial Ganga-delta geology means zero local stone — all coarse aggregate bears a long rail/road haul, structurally lifting concrete cost; river sand from the Damodar and Rupnarayan is available but increasingly regulated.
Buyer takeaway. steel is a relative bargain here owing to the SAIL/Bhilai supply chain, but aggregate carries one of India's higher haulage premiums — staging stone at a Howrah/Dankuni rail siding is the standard cost-control move for big pours. Cross-check the ready-mix concrete ranges in the table above against a live local quote before raising a purchase order — the spread between bulk-dealer and retail rates in Kolkata, West Bengal is wider than the table's midpoint suggests.
Ready-Mix Concrete (RMC) is factory-produced concrete delivered to site by transit mixer per IS 4926:2003 and IS 456:2000. Designed mixes (M20, M25, M30, M35, M40, M45, M50) are batched in a central plant with controlled water-cement ratio, slump, and admixture dosing — guaranteeing quality impossible to match with site-mix labour batching. For projects larger than 10 m³/day, RMC is both cheaper (due to bulk cement + admixture procurement) and higher quality (consistent w/c ratio, documented mix-design, GPS-tracked delivery). Smaller projects still use site-mix (labour + bag cement); the crossover point is typically 5-7 m³/day of demand.
RMC prices tracked cement prices upward through 2023-24 with additional 4-6 % rise on pumping equipment fuel and plant fixed costs. 2026 has seen mild softening in tier-1 cities as new batching plants came online. M25 pumpable RMC in major metros ranges ₹5,400-6,400/m³; M30 adds ₹300-500/m³. Site-mix concrete at these grades works out to ~15-20 % cheaper but typically falls short of design strength by 10-15 % due to batching variance.
Week-by-week ready-mix concrete price charts for Kolkata will appear here once our weekly price tracker accumulates 4+ weeks of snapshots. Subscribe to the InfraLens WhatsApp channel to be notified.
Compare ready-mix concrete prices in Kolkata with other Indian metros. Prices shown are for Ready-Mix M25 (per m³) — a representative benchmark for the category. Click any city for the full 8-item price list.
Ready-Mix Concrete quality and manufacturing in India is governed by the following Indian Standards. Click any code for the full specification with extracted clauses, tables, and reference values.
IS 456:2000: Plain and Reinforced Concrete — design, materials, execution. IS 10262:2019: Concrete mix proportioning.