The Indian Data Relay Satellite System (IDRSS) will track Indian satellites in low-earth orbits. It is a new satellite series that plans to set up a communication system between the space assets of India. Highlights The system is aimed to play vital role in India’s space station and space docking. It will also assist distant expeditions of India to Mars, moon and Venus. The system will help in monitoring launches. The IRDSS is to play a major role in India’s Human Space Flight Programme, Gaganyaan. It will help India to cover the entire mission right from its launch. he IDRSS satellites are to be launched on GSLV launcher. They will approximately weigh 2,000 kg. These satellites are to be placed at an orbit of 36,000 km away from earth’s orbit. About IDRSS The mission consists of more than 2 satellites. The first two IRDSS satellites are to be sent in the end of 2020. These satellites will precede the experimental mission of Gaganyaan that will carry humanoid dummies. The first of this kind is to be launched in 2020 and the second satellite is to be launched in 2021.