It was the third day in the fight between Lakshman (brother of Rama) and Indrajith (son of Ravana). Lakshman tried to defeat Indrajith using different types of weaponry. All his efforts were futile. He then closed his eyes and chanted the following: ధర్మాత్మా సత్యసంధస్చ రామో దాశరథిర్యది పౌరుషేచా ప్రతిద్వంద్వ: శరైనమ్ జహి
Source: JIVA Shamshabad News