The incoming Chief of Defence Staff (CDS), Lt Gen NS Raja Subramani, takes over at a time when the Indian armed forces are sitting on the cusp of a technology-led transformation. His almost three-year tenure — that begins on May 31 — is expected to focus on executing these big-ticket changes, besides ushering in administrative and structural reforms initiated by his predecessors.AdvertisementIndia is looking to progressively add space-based assets, have greater precision in fire power, introduce longer-range missiles, and acquire next-generation planes, warships and submarines, while being backed by a variety of armed drones, including those which can remain in…