New Delhi: A Class X student has sustained serious injuries after falling from the second floor of his school building in northeast Delhi’s GTB Enclave.The incident occurred on April 10 at the Nutan Vidya Mandir Senior Secondary School. The student was taken to a hospital where he underwent treatment for multiple injuries.The student’s father has alleged harassment at school. However, police said CCTV footage from the premises did not reveal anything suspicious and indicated that the student may have felt dizzy before the fall. No case has been registered so far, and further inquiry is under way.