It symbolizes the honor and grace of the groom. It is an essential part of the wedding attire of the Groom.
The traditional way of Indian marriage is famous for its pomp and grandeur which owes a lot to the gorgeous attire sported by not only the bride, but the groom as well. Sehra is obviously the cynosure of all as it helps to accentuate the ethnic look of the DULHA.
It helps to exude the charm and grace on the most auspicious and grand occasion of ones life.