koshti matrimony, koshti matrimonial, in koshti community who is doing hardwork to tie up the koshti brides and groom is koshti matrimony, koshti matrimonial, in koshti samaj when all subcasts come together for marriage purpose that is known as koshti sangam,koshti matrimony, koshti matrimonial doing very nice job to tie up koshti brides and grooms.