New Delhi, 21 April (NNS): The prices of black pepper markara remained stable at Rs 775 per kg as the ceasefire will likely to over between America and Iran in less than 24 hours. Recently, the prices have improved by Rs 10 per kg. Both the arrivals and the prices held stable at the same level of the previous day in Kochi. If the war again begins in Iran, then, the spot black pepper prices will likely to remain sluggish during the coming days.