Today, on tjhe occasion of Hindu festival Karva Chauth, many women in north India pray for the longevity and well being of their husbands and fast the whole day. Getting henna designs on their hand.
Karva Chauth Mehndi Designs (Karva Chauth Mehandi Henna Pictures, Photos and Designs 2009 Collection):

mehndi on a bride step by step by riffat (on hennapage.com)


Sample application from Dragonfly Designs Henna video




Also check out how to cook Traditional Recipes for Karva Chauth, you can also get Karva Chauth Recipe Videos from youtube. like
Karva chauth katha youtube video