New Delhi, 01 August (NNS): The prices of black pepper markara improved by Rs 5 to Rs 715 per kg due to the higher offtake even after the strong prices. During the previous day, the prices have gone up by Rs 10 per kg. Presently, both the prices and the arrivals remained stable at the same level of the previous day in Kochi. The spot black pepper prices will likely to remain strong during the near future.