ISO 9001:2015 Certified 40 Years Family Experience Pan India Supply
Taking Indian Lime
to Global Standards
Premium Quick Lime, Hydrated Lime and Limestone for industries that can't afford variability. Mined, processed & tested to the highest standards.
Premium Limestone and other Lime products for industries that can't afford variability. Mined, processed & tested to the highest standards.
Founded in 1989, Ridhi Sidhi Minerals has grown from a regional supplier into one of India's foremost manufacturers and exporters of premium calcium-based industrial minerals, serving steel mills, water utilities, paper plants and chemical processors across India and overseas.
Our state-of-the-art facility in Gotan, Nagaur, Rajasthan houses modern processing equipment with capacity to ensure reliable supply at scale. Every tonne shipped carries the RSM promise: consistent purity, full traceability, and on-time delivery.
We believe the minerals that build industries should themselves be built on integrity. That conviction is embedded in every process, from quarry sourcing to the Certificate of Analysis that reaches your laboratory.
Our Story
India's Most Trusted Industrial Lime Manufacturer
Founded in 1989, Ridhi Sidhi Minerals has grown from a regional supplier into one of India's foremost manufacturers and exporters of premium calcium-based industrial minerals, serving steel mills, water utilities, paper plants and chemical processors across India and overseas.
Our state-of-the-art facility in Gotan, Nagaur, Rajasthan houses modern processing equipment with capacity to ensure reliable supply at scale. Every tonne shipped carries the RSM promise: consistent purity, full traceability, and on-time delivery.
We believe the minerals that build industries should themselves be built on integrity. That conviction is embedded in every process, from quarry sourcing to the Certificate of Analysis that reaches your laboratory.
Founded in 1989, Ridhi Sidhi Minerals is one of India's leading manufacturers of premium calcium-based industrial minerals, serving steel, water, paper and chemical industries worldwide.
Our Gotan facility runs modern processing equipment with capacity for reliable supply at scale. Every tonne carries the RSM promise of consistent purity, full traceability, and on-time delivery.
We believe the minerals that build industries should themselves be built on integrity. That conviction runs through every step, from quarry sourcing to the Certificate of Analysis that reaches your laboratory.
Our Product Line
High-Purity Industrial Minerals for Every Application
From high-reactivity quick lime to finely ground limestone, every product is manufactured to exacting purity specifications and fully tested before dispatch.
From quick lime to finely ground limestone, every product is manufactured to exacting specs and fully tested.
Markets We Serve
Industries Where Lime Is Used
How We Work
From Mine to Your Facility
Five tightly controlled steps take raw limestone from our quarry partners to a certified, traceable product at your loading dock.
Five controlled steps take raw limestone from quarry to your loading dock, fully certified and traceable.
Quarry Sourcing
Selective extraction from approved, high-purity limestone deposits in Rajasthan.
Calcination
Controlled high-temperature kiln firing converts CaCO₃ to high-reactivity CaO (quick lime).
Crushing & Milling
Our processing equipment reduces product to customer-specified particle size and gradation.
QA Testing
In-house laboratory verifies purity, reactivity and moisture before every batch is approved for dispatch.
Global Delivery
Packed in HDPE bags, jumbo bags or bulk — shipped via road, rail and sea with full documentation.
Quality Assurance
Product Metrics & Certifications
Product Purity Standards
Every batch tested in our in-house ISO-calibrated laboratory.
- Quick Lime — CaO Purity85–94%
- Hydrated Lime — Ca(OH)₂ Purity80–96%
- Limestone — CaCO₃ Purity94–98%
ISO 9001:2015
Internationally recognised quality management system. Certificate Ref. No. 305026101718Q — covering production and supply operations.
In-House Laboratory
Fully equipped analytical lab with XRF and titration analysis for real-time batch verification.
Export Compliant
Full documentation including COA, phytosanitary certificates and customs paperwork for domestic and international shipments.
Lot Traceability
Every shipment carries a unique lot number linked to raw material sourcing, production date and test results.
Why Ridhi Sidhi Minerals
The RSM Advantage
40 years of family experience in calcium-based minerals translates into measurable advantages for your procurement and production teams.
Built for processes where input chemistry is non-negotiable.
ISO 9001:2015 Certified Independently Audited Quality System
ISO 9001:2015 certified (Ref. No. 305026101718Q). Independently audited so every delivery meets specification. ISO 9001:2015 — Ref. No. 305026101718Q.
Pan India Supply Pan India Supply
Reliable pan-India distribution with established logistics — plus export partnerships across Asia, the Middle East and Africa. Pan India supply with complete shipping documentation for exports.
40 Years Family Experience
Four decades of family-led expertise in lime chemistry and mineral processing, trusted by industries across India. 40 years of family experience in lime chemistry.
Consistent High Purity Batch-to-Batch Consistency
Tightly controlled calcination and milling processes deliver batch-to-batch consistency in CaO, Ca(OH)₂ and CaCO₃ content. CaO, Ca(OH)₂ and CaCO₃ held within tight specification, shipment to shipment.
Custom Specifications
Flexible particle sizing, moisture levels and packing options — tailored to your process requirements and container loading specifications. Packed to fit your silo, not our convenience.
Dedicated Account Support Dedicated Account Management
A named account manager handles your inquiries, documentation and logistics coordination from first enquiry to delivery confirmation. A named point of contact from first inquiry through final delivery.
Ready to Source?
Get a Quote for Your Next Shipment
Whether you need a spot cargo or a long-term supply agreement, our team responds to all inquiries within 24 hours with competitive FOB/CIF pricing and full technical data.
Spot cargo or long-term supply. We respond within 24 hours with pricing and full tech data.