Praveen was riding a motorcycle, which fell into the big pothole near Square Mall in Vasant Kunj and was ran over by the tanker at around 7.30 PM, a police official said.
Passersby rushed him to a nearby hospital, where doctors declared him brought dead. His body was sent to AIIMS for autopsy.
The victim was a resident of Mohan Garden in west Delhi's Uttam Nagar area. The tanker was later seized by police. However, its driver is still at large.