"A baby born at 23 weeks requires a lot of intervention, which includes mechanical ventilation and other invasive treatments, followed by a lengthy stay in a neonatal intensive care unit (NICU) incubator, specifically designed for babies born at 23 weeks," said Dr Ashok Gawdi, consultant paediatrician. The twins weighed 340gm and 640gm. The former could not make it. The survivor was kept in a special incubator fitted with humidity control, infection control and bacterial filters. "I used to visit the hospital thrice a day to feed her," said an overjoyed Roshni.