A criminal offence has been registered against an unidentified autorickshaw driver for allegedly crushing to death a three-month-old puppy in Thane city, police said on Thursday.

The Ulhasnagar police have registered the offence under IPC sections 279 (rash driving), 428 (mischief by killing or maiming animal) of the IPC and also under the Prevention of Cruelty to Animals Act, they said.