New Delhi, 19 May (NNS): The sale of black pepper reported to be sluggish amid tensions in Iran. During the previous day, the prices have gone up by Rs 5 per kg, after this, here, the prices of black pepper markara held stable at the same level of the previous day. Recently, the prices have gone up by Rs 10 per kg. Both the arrivals and the prices remained stable at the same level of the previous day in Kochi. The monsoon expected to reach on 26th May in kerela, due to this, the market sentiments may affect. The spot black pepper prices will likely to remain strong during the coming days.