New Delhi, 14 July (NNS): The offtake of black pepper reported to be affected due to the import from Sri Lanka. Here, black pepper markara prices remained firm at Rs 760 per kg due to the sluggish buying from the stockists. Recently, the prices have gone down by Rs 10 per kg. The market sentiments may affect due to the imported stock. The spot black pepper prices will likely to remain sluggish during the coming days.