Under the Bureau of Indian Standards (BIS) Act 2016 and the mandatory Quality Control Order (QCO), no commercial plant in India can produce, pack, or sell packaged drinking water without holding a valid ISI certification mark under IS 14543:2018 (Packaged Drinking Water). A non-negotiable statutory requirement for grant of a BIS license is establishing a fully operational, on-site In-House Testing Laboratory with separate Chemical and Microbiological testing sections.
BIS Scheme of Inspection and Testing (SIT) requires batch-by-batch physical, chemical, and microbiological analysis before any lot of bottled water is released to the market. Relying on third-party external labs for routine dispatch testing is strictly prohibited by BIS. Operating without an in-house laboratory results in immediate cancellation of factory license and prosecution under consumer protection statutes.
The chemical section must be capable of testing physical parameters (color, odor, taste, turbidity, pH, total dissolved solids) and inorganic chemical limits:
| Testing Instrument / Apparatus | Technical Specification Required | Estimated Cost (₹) |
|---|---|---|
| Digital pH Meter with Temperature Probe | 0.01 pH resolution with automatic buffer calibration | ₹12,000 – ₹18,000 |
| Nephelo Turbidity Meter | 0.01 to 1000 NTU dual range with tungsten lamp | ₹15,000 – ₹22,000 |
| Digital Conductivity & TDS Meter | Microprocessor based with auto temperature compensation | ₹14,000 – ₹20,000 |
| Analytical Precision Balance (4 Decimals) | 0.0001g (0.1mg) sensitivity with internal motorized calibration | ₹45,000 – ₹65,000 |
| Double Beam UV-Visible Spectrophotometer | 190–1100 nm spectral range for Nitrate, Iron, Fluoride, Sulfate | ₹85,000 – ₹1,30,000 |
| Hot Air Oven (Drying Oven) | Ambient to 250°C for gravimetric Total Dissolved Solids drying | ₹18,000 – ₹26,000 |
| Muffle Furnace | Operating up to 1000°C for total suspended solids ignition | ₹25,000 – ₹35,000 |
| Volumetric Glassware & Chemical Reagents | Class-A burettes, pipettes, volumetric flasks, EDTA, buffer salts | ₹35,000 – ₹50,000 |
Packaged drinking water must be certified completely free of Coliform bacteria, Escherichia coli, Pseudomonas aeruginosa, Faecal Streptococci, and Sulphite-reducing anaerobes. The microbiological suite requires:
| Equipment | Specification | Estimated Cost (₹) |
|---|---|---|
| Laminar Air Flow (LAF) Cabinet | Class 100 vertical laminar clean bench with HEPA 99.97% & UV | ₹48,000 – ₹70,000 |
| Vertical Autoclave (Steam Sterilizer) | SS 304 radial locking, 15–20 psi (121°C) with pressure gauge | ₹28,000 – ₹42,000 |
| Bacteriological Incubator (37°C) | PID digital controller ±0.5°C sensitivity for Coliform culture | ₹20,000 – ₹30,000 |
| Low-Temperature BOD Incubator (20–22°C) | Refrigerated chamber for Yeast, Mould & Total Viable Count | ₹42,000 – ₹60,000 |
| Membrane Filtration Manifold Assembly | 3-branch or 6-branch SS 316 manifold with oil-free vacuum pump | ₹35,000 – ₹55,000 |
| Digital Colony Counter & Compound Microscope | Magnifier with push-button digital counter + 1000x binocular microscope | ₹28,000 – ₹45,000 |
BIS guidelines mandate that testing must be conducted by qualified personnel approved during the preliminary inspection:
Krupashindu supplies complete, pre-configured BIS laboratory equipment packages (₹3.2 Lakhs to ₹4.5 Lakhs) including on-site instrument calibration, standard operating procedure (SOP) documentation manuals, chemical reagent starter kits, and mock BIS audit verification guaranteeing zero non-conformances on your first inspection.
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