King size mattresses in India range from Rs 9,000 for a basic dual foam option to over Rs 33,000 for a premium multi-layer memory foam mattress. At Neobest, we break down exactly what drives those price differences — foam type, thickness, and King dimensions — so you can make the right call without second-guessing. Whether you're furnishing a master bedroom or replacing an old mattress, this guide tells you what to expect at every price tier.