तथा so also, अनु connected with if, निशागमनशङ्कया lest night should fall, प्रकाशकरणार्थम् to light it up, रथ्यासु in the streets, सर्वशः all over, दीपवृक्षान् lamps in the shape of trees, चक्रुः improvised.

In the same way lest night should fall (by the time the installation ceremony was completed), the streets were provided with lamps in the shape of trees to light them up.