{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-17T23:36:19Z",
  "source": "Assay Systems register, https://assay-systems.com/register/",
  "access_notice": "On 15 November 2026, automated access to assay-systems.com closes. After that date, access is available only under a paid annual subscription contract. Contact: contact@assay-systems.com",
  "data": {
    "id": "ASY-IN-1VJT5ZM1BE",
    "type": "page",
    "country": "in",
    "name": "Das Construction: public contracts won without a rival in India",
    "url": "https://assay-systems.com/register/in/uncontested/s/das-construction/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 13,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 1,
        "unit": "percent",
        "display": "1%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 13,
        "unit": "count"
      }
    ],
    "text": [
      "Das Construction won 13 of its 943 public contract awards in India without a rival from 2021-02-11 to 2026-05-22: 0 without a competition and 13 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest West Bengal (state e-procurement portal) with 9."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-01-21",
          "Buyer": "State Quality Coordinator and Empowered Officer AOC-2025_SQCEO_140894_1",
          "Buyer link": "https://assay-systems.com/register/in/uncontested/b/state-quality-coordinator-and-empowered-officer/",
          "How": "Single bid Works",
          "Stated reason": "—"
        },
        {
          "Date": "2025-09-02",
          "Buyer": "West Bengal (state e-procurement portal) AOC-2024_PRD_788281_6",
          "Buyer link": "https://assay-systems.com/register/in/uncontested/b/west-bengal-state-e-procurement-portal/",
          "How": "Single bid Works",
          "Stated reason": "—"
        },
        {
          "Date": "2024-09-20",
          "Buyer": "Tripura (state e-procurement portal) AOC-2023_CEPWD_43857_1",
          "Buyer link": "https://assay-systems.com/register/in/uncontested/b/tripura-state-e-procurement-portal/",
          "How": "Single bid Works",
          "Stated reason": "—"
        },
        {
          "Date": "2024-06-28",
          "Buyer": "West Bengal (state e-procurement portal) AOC-2021_MAD_357921_8",
          "Buyer link": "https://assay-systems.com/register/in/uncontested/b/west-bengal-state-e-procurement-portal/",
          "How": "Single bid Works",
          "Stated reason": "—"
        },
        {
          "Date": "2024-06-28",
          "Buyer": "West Bengal (state e-procurement portal) AOC-2021_MAD_357921_37",
          "Buyer link": "https://assay-systems.com/register/in/uncontested/b/west-bengal-state-e-procurement-portal/",
          "How": "Single bid Works",
          "Stated reason": "—"
        },
        {
          "Date": "2024-06-28",
          "Buyer": "West Bengal (state e-procurement portal) AOC-2021_MAD_357921_36",
          "Buyer link": "https://assay-systems.com/register/in/uncontested/b/west-bengal-state-e-procurement-portal/",
          "How": "Single bid Works",
          "Stated reason": "—"
        }
      ]
    ],
    "records": [
      {
        "name": "all of India",
        "url": "https://assay-systems.com/register/in/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/in/das-construction/"
      },
      {
        "name": "West Bengal (state e-procurement portal)",
        "url": "https://assay-systems.com/register/in/uncontested/b/west-bengal-state-e-procurement-portal/"
      },
      {
        "name": "Tripura (state e-procurement portal)",
        "url": "https://assay-systems.com/register/in/uncontested/b/tripura-state-e-procurement-portal/"
      },
      {
        "name": "State Quality Coordinator and Empowered Officer",
        "url": "https://assay-systems.com/register/in/uncontested/b/state-quality-coordinator-and-empowered-officer/"
      },
      {
        "name": "HINDUSTAN PETROLEUM CORPORATION LTD",
        "url": "https://assay-systems.com/register/in/uncontested/b/hindustan-petroleum-corporation-ltd/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-IN-1VJT5ZM1BE",
    "cite_as": "Assay Systems, \"Das Construction: public contracts won without a rival in India\", https://assay-systems.com/register/in/uncontested/s/das-construction/"
  }
}