These 4 beautiful doors in a courtyard of the Jaipur City palace represent different seasons and dedicated to different Gods.
From top left in clockwise direction, Peacock Gate, Lotus Gate, Rose Gate and Lehariya Gate.
Peacock gate symbolises autumn season and dedicated to Lord Vishnu.
Lotus gate symobolise Summer season and dedicated to a goddess (debated as Lakshmi or Durga).
Rose gate represent winter season and dedicated to Lord Shiva and Parvati.
Lehariya Gate represent spring season hence its green and dedicated to Lord Ganesha.
Zoom in a bit and you will see the idols of Gods/Goddesses just above the doors.