If you want to wear Gajra on Karva Chauth, then take tips from the looks of Deepika Padukone and Shanaya Kapoor.
put roses in hair
If you do not have time to apply Gajra, then you can make a hairstyle like Sonam Kapoor with any saree or kurta. Simply tie your hair into a bun with a front or side partition and add roses to the side. Nowadays, fake red rose U pins are easily available in the market. Arrange flowers according to the size of one, two or three buns.