During Day 4 of Pagal pathu Namperumal wore their famous vimana padakam.This pendant is unique. It has the complete moolastham and the pranavakara vimanam.Periya Perumal ,Namperumal with ubhaya Nachimars and even the dwarapalakas are there on the pendant. Day 4 araiyar sevai is Tondaradipodi azhwar pasurams numbering 65 only and this azhwar has sing only about Ranganatha.
Photo Courtesty: Sri Rengavilasam, Writeup by Smt. Vyjayanthi Sundararajan