Gajānanam Bhūta Ganādi Sevitam, Kapittha Jambu Phalasāra Bhakshitam
The hymn is often spelled as or "Ramayan Sumiran" . If the link above does not work, you can find the same lyrics on: ramayan sumiran lyrics in english link
[Section 1] Dashrath ke putra Shri Ramchanndra Janaki ko patni satyapath chakra Ravan ke karal grh se bache Lakshman ke sahay prabhu aage badhe Gajānanam Bhūta Ganādi Sevitam