A software professional was arrested on Saturday for allegedly raping a 32-year-old NRI woman IT firm employee, police said.

"The woman and the accused Vishnu Vardhan had met on a dating app and continued their friendship over WhatsApp by chatting for the last six months," Golconda Police Station Inspector Khaleel Pasha said.

The accused works in an IT firm in Banjara Hills area in Hyderabad.

On the night of February 2, the accused took the woman from her house in Tolichowki area on the pretext of going out for tea.

Later, telling her that he has some material which would be useful for her during her planned US tour, the accused took her to his house at Friend's Colony and offered her soft-drink mixed with alcohol.

"After drinking the beverage, the victim fell unconscious. Taking advantage of her condition, the accused allegedly raped her," the police officer said quoting the complaint lodged by the victim.

During the course of investigation the accused was arrested.