A 32-year-old man on Tuesday was arrested on Tuesday for allegedly threatening to throw acid on a femal colleague's face because she turned down his proposal.

The accused identified as Abhijit Bachelal Singh working in a private bank was besotted with the woman. When she spurned him,he started making threat calls and sending letters at the workplace and demanded that she pay Rs 15 lakh, failing which he threatened to fling acid at her and her mother. He frightened her to such an extent that she was scared to leave her house and even stopped going to office.