What is TOG rating?
Thermal resistance of a duvet — 4.5 summer, 9–10.5 spring/autumn, 13.5 winter.
Short answer
Most Indian homes never need 13.5 TOG except in the far north or hills.
TOG rating when buying a blanket & comforter
Thermal resistance of a duvet — 4.5 summer, 9–10.5 spring/autumn, 13.5 winter.
Why it matters: Lets you compare two duvets fairly, regardless of loft and marketing words.
Look for: Most Indian homes never need 13.5 TOG except in the far north or hills.
Full Blanket & Comforter buying guide