When the Lord descends on this material world by His all-merciful energy, He plays like a human being, and therefore it appears that the Lord is partial to His devotees only, but that is not a fact. Despite such apparent manifestation of partiality, His mercy is equally distributed.
In the Battlefield of Kurukṣetra all persons who died in the fight in the presence of the Lord got salvation without the necessary qualifications because death before the presence of the Lord purifies the passing soul