New Delhi, June 10 -- India's generals have concluded they will not get to fight one war at a time. That assumption is now written into the most consequential file on Rajnath Singh's desk: a plan to dissolve the military's 17 single-service commands and replace them with three joint theatre commands, one pointed at China, one at Pakistan, and one at the ocean between them. The South China Morning Post reported on Wednesday that the plan, the largest reorganisation of the Indian military since independence, is gathering pace.

the military "may not have the luxury of dealing with one challenge at a time any more."

What the plan does, more than redraw maps, is convert a suspicion into doctrine. The suspicion dates to Operation Sindoor, Ind...