INS-1A is a technology satellite launched by ISRO on February 15, 2017, from Satish Dhawan Space Centre using PSLV-XL as the launch vehicle. The spacecraft measures 0.364 meters in length and has a diameter of 0.246 meters with a span of 0.67 meters. It has a dry mass of 8.4 kg, which is identical to its launch mass. INS-1A uses solar cells and batteries for power generation and carries equipment such as the Surface BRDF Radiometer and SEUM. The satellite operates on an INS-1 bus configuration with a box shape and two panels, weighing 8.4 kg at launch. It was designed to have a mission lifetime of 6 months.