Abstract: The present invention provides a cat litter box having opposed front wall and rear wall, left side wall and right side wall, a top and a bottom with respective adjacent edges contiguous to one another to define an enclosure. Front wall has an opening to allow cat to enter and exit the cat litter box. Front wall also includes a door near bottom for removably inserting litter tray containing litter inside the cat litter box. The litter tray is positioned at an elevated level at a rim present on the inner left side wall, inner right side wall and inner rear wall. The litter tray with used litter can be easily removed from the cat litter box to dispose used litter hygienically without the need to touch the used litter. Windows are provided on walls to provide ventilation. Deodorizing agent is automatically sprayed on entry and exit of cat.