V Sanjay (14) of Rajaji Nagar Extension in Villivakkam, a Class 10 student of a private school in Surapet, had gone for tuition in the neighbourhood on Monday evening. When he did not return home even after 7 pm, his father Vinothkumar, a railway employee, inquired at the tuition centre. But he was told that Sanjay left the centre around 6.30 pm. After searching the locality, Vinothkumar lodged a complaint at the Rajamangalam police station.