The Class 12 student was killed with a sickle at Ghar Shayam village in Kandhla police station area of Shamli on December 13, 2017 when she was returning home from college.
The jilted lover, Amarpal (26), and his three accomplice had been arrested and the weapon used in the crime seized.
A police outpost in-charge, Kailash Chand, was removed for negligence of duty in the matter.
Former UP minister Sudhakar Singh Kashyap led the team, while Saharanpur MLA Sanjay Garg, Kairana MLA Nahid Hasan and Sudhir Pawar, and Shamli SP district unit president Ashok Choudhary were its member.
The team later said it will submit its report to the party high command and assured that justice would be done.
They also claimed that the victim's family is being pressured to withdraw the case against the accused and her cousin has left college after the incident.