तस्य its, चित्रेषु in colourful ones, सानुषु on the slopes, विशालासु in wide places, गुहासु च in the caves, रावणः Ravana, वैदेह्या सहा with Vaidehi, ततस्ततः here and there, मार्गितव्यः search for

'Look for Vaidehi and Ravana in the wide caves and colourful slopes of the (Chakravan) mountain.