

depending on the path of the bullet you could sustain serious traumatic brain injury or just be lucky. Damage to the sensory motor cortex can cause sensory (visual, tactile, etc.) and motor (arm, leg, face, mouth, etc.) impairment.
Hitting a major blood vessel could be fatal but hitting a minor vessel would decrease the oxygen supply to brain areas with resulting symptoms like a stroke or coma.
There was a famous case in the 1800s of a dynamite tamper (the guy who uses a long pole to tap down sticks of dynamite into a hole) who had an accident. There was an explosion and the rod (several feet long and about 2 inches in diameter went right through his brain. Phinneas Gage miraculously survived but had severe personality changes, probably because of damage to various parts of his limbic system.
it suggests that ballu can go in a coma or have stroke and get cured after eons with a real or pretended personality change.fingers crossed...
google baba ki jai ho...