Ashok

Ashok 

Literally translated in Hindi as शोक रहित without sorrow (अ + शोक), is planted outside house for this belief also.

Polyalthia longifolia, 

also known as (false) 

Ashok Tree (अशोक वृक्ष) of Family Annonaceae

 is a popular ornamental tree outside house or bordering pavements, etc.

Common names include "the Buddha Tree, Indian mast tree, and Indian Fir tree", has medicinal applications also.

Pawan kumar Gupta