India is just getting started. It is Pakistan who has used proxy wars as state policy since 89 since they can't match in one to one.
And for failed offensive defensive policy, if it is so failed, why are LeT and JeM people roaming around with Pakistan policy security?
Worth reading. Even though it (expectedly) completely ignores that India itself has been engaged in a proxy war with Pakistan with its Offensive Defense doctrine.
India has a choice: Continue fighting this proxy war with Pakistan. In that case, India must develop a healthy appetite to take casualties including civilian casualties. Pakistan already has a very healthy appetite for proxy wars. They've been at it for decades. They easily dismiss their own as collateral damage while India is very new to this game.
OR
Find a new doctrine.