The four men have been identified as Mohammad Areef, Jollu Shiva, Jollu Naveen and Chintakunta Chennakeshavulu.   Four men have been arrested by the Cyberabad police on Friday, for allegedly raping and killing a 26-year-old veterinary doctor on the outskirts of Hyderabad on Thursday. The arrests come a day after Madhuri (name changed) was found dead in the Outer Ring Road (ORR) underpass in Chatanpally village under Shadnagar police limits. The police in a press conference on Fri