• Kolkata Municipal Corporation (KMC)
  • Kolkata Metropolitan Development Authority (KMDA)
  • Public Health Engineering Directorate of West Bengal
  • Kolkata Environmental Improvement Investment Program Phase 2 (KEIIP)
  • Kolkata Metropolitan Development Authority - Ganga Action Plan (KMDA-GAP)
  • National Mission for Clean Ganga (NMCG)
  • Irrigation and Waterways Directorate of West Bengal
  • MED
  • Kolkata Metropolitan Water & Sanitation Authority (KMWSA)
  • Indian Railways
  • Metro Railways
  • Border Roads Organisation (BRO)
  • Chennai Port Trust
  • Public Works Department, Govt. of Pondicherry