evidence: The prices of orthorpedic knee implants will fall at least by 50 percent as National Pharmaceutical Pricing Authority (NPPA) today announced the maximum allowable retail prices of such products for the first time. The most commonly used complete knee implant made of cobalt chromium will now carry a ceiling price of Rs 54720 plus GST, 65 percent less as compared to the earlier price of Rs 1,58,324. Implants made of special metal like titanium and oxidizedc zirconium will cost 69 % less - from an existing price tag of Rs 2,49,251 to a ceiling price of Rs 76600 + GST. Revision implants for second surgery will also cost 59% less - Rs 1,13,950 + GST from an earlier price of Rs 2,76,869.