Another fact of the preveious published topic is that this i.e "pankaudhara ekadashi is also celebrated as "Bijaya ekadahsi' which was first satrted by Lod "Ram".In this day lord ram worshiped "Maa Durga" to  defeat Devil "Ravan" and conquer Lanka (Today knownly as" Srilanka").As Lord "Ram" was observed thi day to win the war with "Ravan" and he won, that is why this day is celebrated as a 'Bijaya ekadashi'