“At present, Great Nicobar hosts INS Baaz, India’s southernmost military air station. The original plan was to significantly expand INS Baaz and its runway, but due to terrain and infrastructure constraints, New Delhi recently abandoned that approach in favor of constructing an entirely new dual-use international airport elsewhere on the island as part of the broader Great Nicobar development project.”
“India approved roughly $1.5 billion for the new airport, and it is expected to be completed in about five years and will operate under the control of the Indian Navy for military functions.”
“Meanwhile, New Delhi is also upgrading military facilities at Car Nicobar, which lies roughly between the Andaman Island chain and Great Nicobar. Car Nicobar is already a crucial part of India’s current military posture.”
“India also commissioned additional storage facilities at Car Nicobar, including aviation support infrastructure and fuel-related upgrades. These improvements increase the island’s ability to sustain aircraft operations for longer periods and support surge deployments during crises.”
“Although not currently being upgraded, there are two other major islands within the Nicobar chain that offer significant military value in the future…”
https://chinaglobalsouth.com/analysis/india-nicobar-islands-military-upgrade-china/