ORS (oral rehydration solution) pioneer Dilip Mahalanabis will receive the Padma Vibhushan (posthumous) in the field of Medicine (Pediatrics), the Centre announced on Wednesday. A total of 25 other personalities across various walks of life will be awarded the Padma Shri.ORS (oral rehydration solution) pioneer Dilip Mahalanabis will receive the Padma Vibhushan (posthumous) in the field of Medicine (Pediatrics), the Centre announced on Wednesday. A total of 25 other personalities across various walks of life will be awarded the Padma Shri.