Eminent space scientist and former Indian Space Research Organisation (ISRO) Chairman Udupi Ramachandra Rao passed away here in the wee hours today due to age related ailments. He was 85.

"Rao breathed his last during the early hours, around 3 AM today," ISRO Public Relations Director Deviprasad Karnik told PTI. He was suffering from age related ailments and breathed his last at his residence in the city. Rao is survived by his wife, a son and a daughter, ISRO officials said.