Meaning and Significance of Deepavali Thee + Aavali => Theevaali => Theepa + Aavali => Theepaavali => Deepavali. Firstly, this earth is not a lonely inhabitated planet in the cosmic space. In fact, this earth is the newest of all the inhabited planets in the universe. After this earth got separated from the Sun, the earth slowly cooled down to the climatic conditions that could sustain growth of organisms. During this period, the pioneers came to this earth from other planets in the Universe. There were precisely 18 such pioneers who came to this earth and hence they were known as Pathinen Siddhars (18 Siddhars or 18 Masters.) These 18 Siddhars came to this earth alongwith their inter-cosmic assitants ... Read more