Black-And-White Meaning in Bengali

What is the meaning of word Black-And-White in Bengali/Bangla ?

Defenition of word Black-And-White

• a police car.
• (of a photograph, movie, television program, or illustration) in black, white, shades of gray, and no other color.
• (of a situation or debate) involving clearly defined opposing principles or issues.

Example

I just got back from the class and noticed quite a few agencies have gone to black & whites.

Other Meaning of Black-And-White

• ADJECTIVE

  সাদার উপরে কাল রঙে in black and white black-and-white
  লিখিত written pen-and-ink black-and-white