where does syngamy occur?

Hello Student
First of all you have to understand syngamy answer is here

http://www.askiitians.com/forums/Zoology/what-is-syngamy_109736.htm

It occurs in the ovary of flower when pollen grain makes a pollen tube and then releases male gametes from which one male gamate is fuse with egg cell, this is called syngamy or fertilization
It also depends on type of organism.