questions: 1.asking about some variety name of potato.
2.asking about the recommended fertilizer dose for potato.
3.asking about the seed treatent of potato.
4.asking about the spacing of potato. 
 answers: 1.suggested to grow variety like-kufri jyoti,kufri megha,kufri chandramukhi and kufri badshah.
2.suggested the recommended fertilizer dose is like-urea@19 kilogram/bigha,ssp@45 kilogram/bigha,mop@12 kilogram/bigha,fym@2 quintal/bigha.half dose of urea and full doses of ssp and mop,fym should be applied at the time of land preparation and remaining urea should be top dressed 20-25 days after planting.
3.suggested to do seed treatment with carbendazim @ 2ml per litre of water.
4.suggested to give spacing of 15 cm seed to seed * 50 cm line to line* 2.5 cm deep.