BANGALORE: The Bangalore Metropolitan Task Force (BMTF) has announced that unauthorised persons are visiting under-construction buildings on the pretext of inquiry and checking violation of BBMP bye-laws. The culprits are impersonating themselves as officers working in police, town planning and revenue wings of the BMTF. If any one approaches the public with such pseudo names or if the public have any doubt in their approach, they can inform the BMTF Superintendent at BBMP head office or can call 9480685372.