Doctrines/strategies/tactics of air forces are known only after the war is over. IAF is well organized, pretty old and led by professionals. Definitely they would have doctrines in consonance with that of the nation and the sister services.Various scenario would be addressed with particular contingency. General war against China. General war against Pakistan. A war against both simultaneously. One against BD. Taking care of Nepal. Keeping SL or Maldives in line. Protecting Bhutan. Supporting IN in Andaman Sea, Arabian Sea or the Bay of Bengal during peace time. IAF Chief has a lot of work to do.