CADS-500 Flight Demonstration: The Controlled Aerial Delivery System (CADS-500) by ADRDE is used for the precise delivery of the payloads up to 500 kgs at a predetermined location by making the use of manoeuvrable capabilities of the Ram Air Parachute (RAP).
source https://www.jagranjosh.com/current-affairs/adrde-conducts-flight-demonstration-of-controlled-aerial-delivery-system-1639975724-1