questions: asked about the optimum ph value, lime dose, feed dose and disease management for the fish pond. 
 answers: told him the ph must range between 6-8 and less than 6, liming required at a dose of 10kg/bigha. a standard dose for feeding is 4kg/hectare/day required. potassium crystal (potassium permanganate) at dose of 1kg/bigha at 4days interval applied for disease control.