Sixteen-year-old Sachin, son of Rajveer Singh, a resident of Bhitaila Nagoda here, had gone missing on Wednesday after he had started for school, DSP Rajendra Prasad Yadav said today.
"A case of murder has been registered against unknown assailants in Sarai Rohela police station of Delhi. Mathura police would extend full support if sought," the officer said.