For most babies, start with the Munchkin Twisty Figure 8 Silicone Teether (₹499–₹699) — Check price on Amazon — food-grade, dishwasher-safe silicone, easy for a 4–6 month old's developing grip, and a one-piece design with no parts to detach. If your baby rejects the soft give of silicone and wants something firmer to bite down on, switch to a Natural Rubber Teether (₹399–₹799) — Check price on Amazon instead — same safety principles, firmer texture.