Valmiki Ramayana 6.119.33
ददृशुस्तां त्रयो लोका देवगन्धर्वदानवाः ।शप्तां पतन्तीं निरये त्रिदिवाद्देवतामिव॥
dadṛśustāṃ trayo lokā devagandharvadānavāḥ |śaptāṃ patantīṃ niraye tridivāddevatāmiva ||
Our plain-language meaning of this verse is waiting for scholar review.