Defence Research and Development Organisation (DRDO) develops hand-operated Sea Water Desalination System (SWaDeS)

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

Key facts

The manual version of SWaDeS can be carried by a single person and can meet the emergency requirements of a group of 10-12 personnel.
The engine operated system has the capability of purifying sea water having a salinity of 35,000 milligrams per litre of total dissolved solids (mg/L TDS) to less than 500 mg/L TDS to meet the requirement of 20-25 soldiers.
Developed by the Defence Laboratory, Jodhpur, in response to the requirements projected by the Tri-command services, it can also be used by the civil sector in fresh water stressed areas.