The "Pathu" in some dialects suggests ten days. Traditionally, the vow is observed for one, three, or ten consecutive days, culminating on the day of victory (often associated with the burning of Lanka or the death of Ravana). On the final day, a Neivedyam (offering) of Pongal (sweet rice), Vadai , or simple jaggery is offered to a picture of Lord Rama, Anjaneyar (Hanuman), and Vibhishana.
Legend had it that during the transition from print to digital, a single list—the ultimate Lanka Badu Nombar —had been digitized. It wasn't just phone numbers. It was a directory of the "untouchables": the private lines of high-ranking officials, the unlisted back-doors to government databases, and the direct contacts for the "fixers" who could make a customs problem or a legal headache vanish overnight. Lanka Badu Nombar