No One Falls From Vaikuṇṭha – Part 6 (Bhagavat Sandarbha, 51)
No one can enter or remain in Vaikuṇṭha unless he has attained devotion for the Lord. Lord Ṛṣabhadeva confirms this: When the living being is covered by tamo-guṇa, his mind is subject to result-oriented action. Therefore, the jīva cannot be released from attachment to the body until love dawns for Me, Lord Vāsudeva.