Option 1 -> Kota is known as the education city, famous for coaching institutes.
Option 2 -> Jaisalmer is called the Golden City due to its yellow sandstone architecture that gives a golden hue.
Option 3 -> Udaipur is known as the City of Lakes or White City.
Option 4 -> Jodhpur is called the Blue City because of its blue-painted houses.
Hence, Option 2: Jaisalmer -> The city earned this nickname because its buildings, fort, and havelis are constructed from yellow sandstone, which shimmer like gold, especially during sunrise and sunset -> correct