The incident happened yesterday in Kalyanpur area here, they said.
Assistant Commissioner Rakesh Shukla was on his way home from his office when four youths on motorbikes came and snatched his cell phone, Superintendent of Police Kanpur (Rural) Surendra Tiwari said.
Shukla was beaten up when he tried to resist them, he said.
A case has been registered in this regard, the SP said, adding, efforts are on to nab the miscreants.
