Tender For mitral/aortic bioprosthetic heart valve - epic anti-calcification technology treatment, r adio opaque markers for enhanced radiopacity, triple composite leaflet design, low stent post heigh t, mitral sizes 25 mm to 3 3mm & aortic sizes 19 mm to 27 mm. #every sizes of the valve should be a vailable with the supplying firm and all sizes of the valve to be provided before the date of cases [ rate of supply 2 units per month , commencement time allowed -1 day ]