Question: asking about fertilizer doses for brinjal. 
Answer: please use the recommended doses of fertilizer- urea- 15 kg, super 50 kg and potash 10 kg and dry cow dung 1 tonne per bigha of land. full doses of cowdung, super and potash and half doses of urea shold be mixed with soil before 3-4 days of planting, remaining half of urea should be top dresses 30 days after planting. 

in the field where seedlings have already planted, please spray npk 19:19:19 , 10 gram per liter of water 3 times at 15 days interval in the evening time in the absence of rain.

 and for increasing the yield please spray vitamins like mohaphol/biovita/sagarika/bahar 2ml per liter of water once at flowering stage and ance at fruit setting stage.