Some of us might have come across the 81 small squares on the ceiling of the mandapas of certain temples especially in South India – Kerala, Karnataka and Tamil Nadu. This vastu-defined formation is known as navapada. The 81 squares have a different pattern. This arrangement is considered highly beneficial as it attracts positive energy. Such Mandapas or halls are good for meditation. Square plan is of great importance in Vastu Shastra. There are 10 different types of square combinations Sakala (1 square) - Eka-pada (single divided site) Pechaka (4 squares) - Dwi-pada (two divided site) Pitha (9 squares) - Tri-pada (three divided site) Mahaapitha (16 squares) - Chatushpada (four divided site) Upapitha (25 squares) - Pancha-pada (five divided site) Ugrapitha (36 squares) - Shastha-pada (six divided site) Sthandila (49 squares) - sapta-pada (seven divided site) Manduka/ Chandita (64 square) - Ashtapada (eight divided site) Paramasaayika (81 squares) - Nava-pa