Mata Lakshmi is also called 'Kamalvaasini' - i.e one who sits on a lotus.. Lotus seeds is the most common thing for lakshmi puja... As written in texts as well as told by priests Mata lakshmi puja is incomplete without kamal gatta.. Kamalgatta should be offered to goddess lakshmi in hawan that is used during Lakshmi puja.. This brings wealth and prosperity in the house... A mala made from these kamal gata seeds known as kamal gata mala is used for japa of goddess Lakshmi...