The student, who is doing her PhD under the supervision of assistant Chemistry Professor Satish Kumar, has lodged an FIR against him alleging that she was sexually assaulted by him. “An FIR has been registered under Section 354 (assault or criminal force to woman with intent to outrage her modesty) and other relevant sections of the IPC against the accused in connection with the complaint received on Thursday,” DCP North Madhur Verma said.