Unlock the secret intersections of energy in your home with Marmasthaan lines: the silent grid of harmony. Discover the ancient science of Marmasthaan in Vāstu Shastra. Learn how energy lines are drawn using the 81-padvinyaas grid and outer cells (E1–E8, S1–S8, W1–W8, N1–N8). Understand how to connect centers across this grid to reveal the powerful intersections where cosmic energy converges.