Police said they have registered a case and are probing the matter.
Sayad Faizan accused Khan of threatening him on August 9.
He claimed that Khan's associate threw a tub at him, injuring his right thumb, police said.
There is no video evidence of the alleged incident and no CCTV was installed at the spot, they said.
In January also, Faizan had accused Khan of thrashing him.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)