 अधिगम्य तु वैदेहीं निलयं रावणस्य च।।मासे पूर्णे निवर्तध्वमुदयं प्राप्य पर्वतम्। 
 Reaching the mountain behind which the sun rises, look for Vaidehi and the home of Ravana and return by the months end. 