Need to make one thing clear first, my input will always be from technological point of view, with only the basic tactical knowledge, complete opposite of yours.
If you knew the Beaten Zone of a Mortar bomb (the possibilities are of dispersal around aiming point) and the killing zone of a mortar bomb, you would not even dream of it.
Yeah I meant by GPS or laser (from small drone etc.) mortar, not the antique ram-ke-bharose crap. Those you'll need only 1-2 rounds to flatten buildings.
Good demo video for understanding.
No harm but why should I use a drone to mount a Grenade Launcher If I can deliver grenades into the windows and opening of a house much accurately and effective from ground using AGLs ?
Yeah. That's limited to only they windows and also no way to confirm. The mini suicide-drones deliver explosive/chemicals instead of pizza... will let you scour the building, entering & exiting from any angle until you in their room when you blow the thing up.
Explanation of how the concept works.
Indian Army's is present doctrine is recruits-are-cheaper-than-hardware, which may be accurate, but if ISIS was making homemade
jugaad of those then that tech is cheap.