Kohbar in Madhubani painting is a traditional artwork created during weddings, symbolizing love, fertility, and prosperity. It features motifs like lotus flowers, bamboo trees, fishes, and divine couples such as Radha-Krishna or Shiva-Parvati. Painted in vibrant colors with intricate detailing, Kohbar art is often made by women on walls or canvas, representing blessings for a happy married life in Mithila culture.