Shabnam was killed and her husband Mohit suffered serious injuries when their motorcycle was hit by a bus in Surajpur area today, they said.
Shabnam died on the spot, whereas her husband has been admitted to a private hospital where his condition is stated to be critical.
In another mishap, an unidentified vehicle hit a motorcycle on the Expressway last night, they said.
Two Delhi residents identified as Sunil and Gopal were injured in the accident.
Sunil expired during treatment, they added.