The boy, Priyanshu, had fallen into the borewell yesterday following which a rescue operation was launched, police said.
He was pulled out alive at around 2 am today but died on way to the hospital, said Superintendent of Police, Alwar, Ajay Lamba.
Doctors declared him dead at the district hospital, which was nearly 60 kms from the village, he added.
Rescue operation was conducted jointly by the police and administration, Army and disaster management department and the boy was pulled out with the help of a hook and a rope, a police official said.
Officials informed that the body has been handed over to family members after postmortem.