procurment of medical stores dept nicu , drugs , inj caffeine 20 mg / ml each vial containing 3 ml , mother milk fortifier 0.5 gm scahet ( contains fat 0.01, protein 0.06, lactose 0.39, calcium 1.25, phosphorous 0.89 ) , inj sildenafil citrate 10 mg / 12.5ml vial , human milk fortifier 1 gm sachet ( containing maltodex, whey protein concentrate, milk solids, minerals, medium chain triglycerides, vitamins, emulsifier ) , nasal cannula for oxygen administration for micropreemle 1000gm , nasal cannula for oxygen administration for micropreemle 750gm , paediatric entotracheal tube micro cuff polyurethane with cuff thickness 10 microns size 3.0 , paediatric entotracheal tube micro cuff polyurethane with cuff thickness 10 microns size 3.5 , paediatric entotracheal tube micro cuff polyurethane with cuff thickness 10 microns size 4.0