Three brothers were on Mondday arrested for allegedly killing their 15-year-old sister and dumping her body in a river here.
The brothers - Subhas, Lalit and Vikas - were arrested following a police complaint by their mother, Superintendent of Police Anant Dev said.
"Their mother Sheela had lodged complaint today alleging they killed her minor daughter on December 28 and dumped her body in a river," the SP said.
During questioning, the accused said that they had seen their sister with a man in compromising position on December 28, and in a fit of rage, they took her to Yamuna river embankment near Mangroli area and killed her.