@ShashanK25 Looks like your camera  2 LED lights are facing an obstacle, you just need to switch back to Day Mode, your street have lights.

  @ShashanK25 Wait... your camera spotlights are on, you need to turn it off outside the fullscreen live view.

  @NguyenKhoi 

EVEN IF THERE IS FULL BLACKOUT AND MY LED'S ARE ON THEN ALSO I AM FACING THE SAME ISSUE..........

  @ShashanK25 because theres something is blocking the LEDS, check them, if it's okay, send me a picture of the front face of the camera.