Industrial clients choose R. R. Aqua Products Private Limited not only for our technical depth, but because we communicate like engineers, not salespeople. When you send us a project brief, it goes directly to a qualified engineer — not a call centre — who reads your process parameters, asks the right clarifying questions, and returns a technically grounded proposal. We do not send generic brochures. We do not ask you to sit through a sales presentation before you see a number. Our process is simple: you share the problem, we return a solution with a number attached, within one business day.
We are a DPIIT-recognised startup and certified EPC company registered in Tamil Nadu, serving clients across India. Our projects span municipal water treatment, industrial effluent management, biogas and organic waste processing, and commercial solar energy — with a common thread: turnkey execution, transparent pricing, and engineering accountability.
Contact Channels
Reach the Right Team Directly
We maintain three active email channels so your enquiry reaches the correct desk without internal routing delays.
Tenders & Proposals
proposal@rraqua.comUse this address for: government tenders, institutional RFQs, EPC project proposals, Detailed Project Reports (DPR), techno-commercial bids, and any enquiry requiring formal documentation.
Product & Spares
sales@rraqua.comUse this address for: individual equipment purchases, spare parts orders, catalog clarifications, delivery timelines, and invoice/GST queries.
Direct Contact
aravind@rraqua.comFor strategic discussions, partnership enquiries, media, and time-sensitive matters requiring a senior decision-maker. This inbox is monitored directly.
Call Us
Primary (Proposals & Sales)
+91 86107 91963Alternate (Technical & Site Coordination)
+91 93427 05347Business Hours: 9:00 AM – 6:00 PM IST, Monday to Saturday.
After-hours WhatsApp messages on +91-86107-91963 will be responded to the next business morning.
Registered Office
R. R. Aqua Products Private Limited
Shop No. 02, First Floor,
No. 355, School Street,
Mogappair West,
Chennai – 600 037,
Tamil Nadu, India
Corporate Credentials
Preparation & Guidance
Working With R. R. Aqua
What to Include in Your Project Brief
To receive a technically accurate and actionable proposal, please share the following information in your email. Even a partial brief is enough to begin — we will ask the right questions to fill in the gaps.
Water (ETP/STP/RO)
- Industry type & effluent nature
- Flow rate (m³/day or KLD)
- Inlet quality (pH, TDS, BOD, COD, TSS)
- Discharge standard target
- Site location & available land
Biogas / Composting
- Type & quantity of organic waste
- Intended use of biogas
- Land available for digester
- Existing infrastructure
Solar Projects
- Sanctioned load (kW/kVA)
- Average monthly electricity bill
- Available rooftop/ground area
- DISCOM name & connection (LT/HT)
- Battery backup requirement
For government and institutional tenders, we acknowledge within 1 business day and submit a complete technical and commercial proposal within 3–5 working days depending on document complexity. For time-sensitive bids, call +91-86107-91963 to flag the urgency.
Yes. All invoices are issued under GSTIN 33AAPCR7069E1Z2, registered in Tamil Nadu. HSN and SAC codes are applied correctly for equipment supply and EPC services. If your organisation requires specific vendor registration documentation, contact sales@rraqua.com.
Yes. While our registered office and primary operations are in Chennai, Tamil Nadu, we deliver turnkey EPC projects Pan India. For sites in South India (Tamil Nadu, Karnataka, Andhra Pradesh, Telangana, Kerala), we can mobilise within 5 working days of project award.
We offer a complimentary preliminary technical consultation — by phone or video call — for all serious project enquiries. For sites within Chennai, a site visit can be arranged at no charge. For sites outside Chennai, a site visit fee may apply and is adjusted against the project contract value upon award.