There is always a class of philosophers, almost akin to the Buddhists, who do not believe in the separate existence of the soul beyond the body. When Lord Kṛṣṇa spoke the Bhagavad-gītā, it appears that such philosophers existed, and they were known as the Lokāyatikas and Vaibhāṣikas.
Loyayatikas,Vaibhasikas=Old philosophy which didnt believe of a soul beyond the body
