Edvantage by Pranvika on Instagram: "In India, a PIN code (Postal Index Number) is a six-digit number used by India Post for efficient mail delivery. Each digit in a PIN code has a specific meaning: First digit – Represents the region Second digit – Represents the sub-region Third digit – Represents the sorting district Last three digits – Represent the specific post office For example, in the PIN code 110001 (New Delhi GPO): 1 → Northern region 10 → Delhi sub-region 001 → Specific post office (