The incident occurred yesterday when the unidentified accused took the day-old baby girl to check her weight and disappeared from the hospital, Waghodiya police station in-charge M K Gujar said.
The matter came to light when hospital authorities informed her mother that they had not deputed anyone to check the baby's weight, he said.
A case under relevant section of IPC has been registered and efforts are on to nab the absconding accused, police said.