Question: asking about  planting time and method of potato. 
Answer: before planting please treat the potato seed with any one of the following fungiside- trichoderma viridi 10gram/liter of water or carboxin or maneb or glyodin(special for blight and rot) 3 gram/liter of water for 30 minutes and after that please spread them in a polythene sheeth for two days and then on the 3rd day please plant the potato seed into the ridge at 10cm distance and make the furrow at 15 cm distance.

watering should be done at 30days after planting and 60-70 days after planting.