Dr. Ranjana is a senior scientist with the Defence Research and Development Organisation (DRDO) with extensive experience in strategic studies, national security analysis, and defence policy research. She has been associated with DRDO’s policy- and strategy-oriented institutions, where her work has focused on defence reforms, higher defence management, civil–military relations, and India’s evolving strategic culture. Dr Ranjana has contributed to research on military modernisation, jointness, and the changing character of warfare, with particular attention to the interaction between technology, institutions, and decision-making. She has authored and co-authored numerous research papers, policy briefs, and analytical articles, and is a frequent speaker at academic and policy forums. Known for combining academic rigour with practitioner-relevant analysis, she brings a nuanced, institutionally grounded perspective to debates on India’s national security and defence preparedness.