Science, Discovery, Tech and Environment · 6 January 2026

SmartGreen Aquaculture produces food-grade rainbow trout inland near Hyderabad using closed-loop RAS

Exam-focused facts from the 6 January 2026 current affairs briefing.

Key facts

  • The integrated aquaculture facility uses a closed-loop recirculating aquaculture system (RAS) to grow trout in a biosecure indoor environment.
  • RAS allows precise control of temperature, oxygen levels and water quality, enabling cold-water species production on the warm Deccan Plateau.
  • The project includes plans for a microalgae biorefinery to support feed and sustainability beyond aquaculture.