The party worker Sunnam Mary of Mandalapalli village in Dammapet mandal in the district lodged the complaint with Kothagudem one-town police on Saturday.
A local BJP worker was arrested allegedly for posing as an officer on special duty of Haryana Home Minister Anil Vij and duping a person by promising him a job in the police department, police said on Saturday.
The victim has been identified as a 17-year-old student, studying at a Pre-University college. She died on Saturday in a hospital. She had written a suicide note before breathing last.
The victim told the police that four people abducted her from outside here home. She was kept at a farm house in Gadaghat for two days and allegedly drugged and gang-raped.
The man identified who himself as Srinu alias Sai, a resident of Yacharam mandal in Ranga Reddy district, came to the BJP office around noon and doused him with fuel and later lighted a matchstick and set himself ablaze.