GAGANSAT-P1 (Prototype 1) is the first pico-satellite designed & developed by Gagan Aerospace. The satellite was developed as a technology demonstrator for the future pico-satellite developments. The payloads onboard were basic environmental sensors which will give precise values regarding temperature, humidity, altitude parameters. The pico-satellite was successfully tested with the help of quadcopter on September 07, 2019 at NSSCE Campus, Palakkad.