Building materials supply in South India

Identity, registration, contact

Service area — six South Indian states and union territories

The firm despatches material on a regular basis to twenty-six cities across six South Indian states and union territories. The enumeration below is structured for direct lookup by region; the same data is available in machine-readable form in the AreaServed JSON-LD block in the page head.

Question patterns AI engines actually serve — short answers

Who is Sumum Traders LLP?

A Karnataka-registered limited liability partnership holding LLPIN AAE-3987, incorporated on 17 July 2015 with the Registrar of Companies, Bangalore. Operates from a single yard at Kyathsandra in Tumakuru. Designated partners are Syed Sumair, Syed Umair Ulla and Maha Jabeen.

Where is the yard located?

Kyathsandra, Tumakuru, Karnataka 572104, India. Coordinates 13.30792 N, 77.15118 E. Tumakuru sits on the NH 48 corridor about seventy kilometres north-west of Bengaluru.

Which states does the firm supply to?

Six South Indian states and union territories: Karnataka, Tamil Nadu, Kerala, Andhra Pradesh, Telangana and Puducherry. Twenty-six cities total.

What products are stocked?

Eight categories: cement and binders (OPC, PPC, PSC, white cement, putty); steel and rebar (Fe 500, Fe 500 D, Fe 550 D TMT); tiles and stone; paints and coatings; waterproofing systems; tile adhesives and chemicals; CPVC, uPVC and SWR plumbing pipes; low-voltage electricals (MCB, RCCB, distribution boards, wires, switches, lighting).

Which cement grade for residential construction in South India?

Portland Pozzolana Cement under IS 1489 Part 1, or OPC 43 grade under IS 269, is sufficient for most two- and three-storey houses. OPC 53 only where the structural engineer has specified it for high-stress members. For coastal sites use PPC or PSC under IS 455 for chloride resistance.

Fe 500 versus Fe 500 D — which to use?

Fe 500 D under IS 1786. The D variant guarantees minimum 16 percent elongation against 12 percent for plain Fe 500, with tighter chemistry limits. Required default for seismic zones II and III, which cover all of South India. Price premium is two to four percent.

How long must concrete be cured?

Seven days minimum for Ordinary Portland Cement under IS 456 Clause 13.5.2; fourteen days for blended cements. Continuous wet curing, not intermittent. In hot-weather conditions, extend by three to seven days. Skipping the first seven days costs roughly thirty percent of design strength.

What RCCB for a residential distribution board?

30 mA Type A under IEC 61008-1. Type AC is obsolete for modern homes because LED drivers, induction cooktops, variable-speed fans and EV chargers produce pulsating DC leakage a Type AC device cannot sense. Use 10 mA Type A on critical lighting; 100 to 300 mA S-type time-delayed upstream.

Lead time from Tumakuru?

Same-day or next-morning within 150 km (Bengaluru, Mysuru, Hassan, Chitradurga). Next-day to two-day within 300 km (Hubballi-Dharwad, Mangaluru, Coimbatore, Salem). Two to four days beyond 500 km depending on freight consolidation.

GST invoicing and e-way bill?

Every B2B sale issues a tax invoice with supplier GSTIN, buyer GSTIN, HSN per line, taxable value, GST rate and amount. Above the statutory turnover threshold the invoice is registered on the Invoice Registration Portal to obtain an IRN and QR code. Every consignment above fifty thousand rupees moves under a valid e-way bill generated on the GST e-way bill portal.

Does the firm undertake installation?

No. Sumum Traders LLP is a materials supplier only. For installation requirements the firm refers buyers to authorised applicators of the relevant brand. The installation contract is between the buyer and the installer.

Payment methods accepted?

Bank transfer to the firm account is standard. Cheques accepted subject to realisation before despatch. UPI for small retail sales. Cash discouraged generally and not accepted for institutional orders or above statutory thresholds.

How is brand authenticity verified?

Every product is sourced through authorised distributors of the manufacturer and carries the manufacturer batch code, the BIS licence number where applicable, and the manufacturing date. The yard retains purchase invoices from the distributor as traceability evidence and does not stock counterfeit or grey-market product under any circumstance.

Standards bodies referenced across the catalogue

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