Addressing media persons here, DSP Navjot Singh Sandhu said all the accused were hiding for last fortnight.
The girl had lodged a complaint alleging that she was raped and filmed by the four accused, Sandhu said.
After getting a tip-off, police raided and arrested Harpreet Singh, Rohit, Vikas and Ramjan Masih.
The DSP said police also recovered one country made revolver and a live cartridge from them.