Workers of the horticulture department started planting flower plants in thousands of pots in Anna Park, Botanical garden, and Rose garden.
The road to the zoological park from Gorimedu, a seven-kilometre stretch, is severely damaged and has not been re-laid for over two years.
The toll fee collected at the foothills itself has also affected those who only travel for a small distance for relaxation before turning back.
The hill station recorded a total of 36 cm of rainfall in three weeks.
Two years ago, a group of youth in jeeps strayed deep inside thick forests through a muddy track and hit a cliff.