THIRUMANN;means castemark worn on the forehead by Vaishnavites. You look very very beautiful when you put on both Thirmann and Sri-Chooranam and it is very important that on important days,you must wear 12 -Thirumanns.This is the least you can do to your Acharya.Put on your Thirumann and SriChoornam in a fairly thick way and leaving broader space between the 3 rules