Unlike China, India does not have any extra P-15Bs to spare. Also the program has already faced years of delay.I wish they did.
There is maybe the matter of the Israeli radar + Barak 8 and Indonesia-Israel relations (which are still informal) maybe limiting how such systems can be exported or re-exported. MRSAM (improved Barak 8) is also a joint venture in the end with Israel, so they have IP share.
Making a more exportable version of this destroyer is not priority for India, given shipyards are stretched to capacity to begin with for local orders. Shipyards need more investment for expansion going forward.
A full ToT with say PAL shipyard (and say they customise as they want), that could be considered in interim I suppose.
But how would that stack with say proceeding with Mogami where Japan has good capacity + interest to export 4 and transfer ToT for Indonesia to build 4 after?
Does Indonesia want the extra tonnage (and I guess endurance) of destroyers in say 7500t class or is heavy frigate/destroyer in 5500t class etc a better fit for its strategic allocation going forward?
i.e was the Chinese (export) destroyer project a serious contender in the strategy to begin with? I am unfamiliar with many of these matters.
India can't build ships as quickly and efficiently as the East Asians( China, South Korea and Japan).