NCP (SP) chief Sharad Pawar, 85, is responding to treatment for a bronchitis-like chest infection and his condition has improved, Dr Pratit Samdani of Mumbai. Mumbai: NCP (SP) chief Sharad Pawar is responding to treatment and his condition has improved, said Dr Pratit Samdani of Breach Candy Hospital on Friday evening. The 85-year-old leader is undergoing treatment for a chest infection, which is bronchitis-like in nature.