The deceased has been identified as Reena and her body has been sent for a post-mortem, a police officer said, adding that the reason behind her death was yet to be ascertain.
Neighbours told police that Reena's mental condition was not good for some time.
No suicide note has been recovered from the spot, the officer said.
Reena lived with her family in B Block of Swaran Jayanti Park area of Ghaziabad.
Policemen are interrogating her husband Robin, a Delhi Police constable. Police are yet to record statements of Reena's parents, who have been informed.
