"Our team called the youth for questioning in Bengaluru in connection with the probe. He is cooperating," a police officer, attached to the local crime branch, said here.
Antara Das was attacked with a sharp weapon near Kanbay Chowk in Talawade on the outskirts of the city on Friday, barely 500 metres from her workplace.
The murder of the techie, who hailed from Bengal, had sent shockwaves across the city and among IT employees.
Police are investigating various angles, including an affair or unrequited love, and analysing the call details of Das, the officer said.
Another police team today combed the area near the spot of the crime.
"The area alongside the road, where the assailant was said to have escaped after the incident, has large number of trees and bushes and a search has been launched to look for any clue," said another police officer.
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