The house owner Surender said, they heard a loud thud at around 10:30 pm last night, and found the blood-stained body of the woman.
"We didn't hear any shout or scream. We rather thought somebody might have toppled our scooter parked outside", he said.
Reena had visited Raj Sharma's relatives last evening. There was an iron grill on the balcony, and the neighbours find it was mysterious how the woman fell.
Raj Sharma was out of Delhi yesterday. Police have sent the body for post-mortem.