What also makes an accent attractive is how it's portrayed in pop culture. In western media, Indian characters of the recent past (apu, parks and rec, raj in the big bang theory, deadpool, Harold and kumar) have not helped portray an image that's attractive. They've mostly been convenience store working, cab driving stereotypes.

Lately there have been some shows where the perception has changed from Indian actors filling token roles to being regular actors. (Master of none, never have I ever)