Biryani was brought by the mughals in india and it has adapted to the variety offered by Indian culture. As the Indian culture is diverse, the regions are diverse so is the cooking style of Biryani. For example in west Bengal the Biryani rice is cooked separately and the chicken and mutton separately and then before serving the two are mixed. In Hyderabad the Biryani comes with a spicy gravy which is often poured over the biryani before serving. In lucknow biryani is prepared in ‘ Handi and is layered before cooking. Here is a recipe which is the simplest way of making it at home.