Initiated in 2024, the ASTRA symposium is a growing platform dedicated to promoting research and collaboration in the field of Aerospace Engineering. Supported by leading academic and research institutions, ASTRA brings together experts from academia and industry to exchange knowledge, explore emerging technologies, and discuss recent developments. ASTRA 2025, the second edition of this premier national symposium, is hosted by the Department of Aerospace Engineering at the Indian Institute of Space Science and Technology (IIST), Thiruvananthapuram. Organized in association with the Indian Society for Heat and Mass Transfer-Trivandrum Chapter (ISHMT-RCT) and K-SPACE – an initiative of the Government of Kerala to support space-sector startups – the symposium brings together the brightest minds in aerospace engineering, research, and innovation to foster a strong research community and encourage interdisciplinary dialogue in engineering and applied sciences.