Increasing Breast milk production. Him?

Hi...I am a mother of 10 months baby boy.His weight is 8 kg.Usually i feed him with 3 to 4 solids and in between i used to breast feed him.since a month I noticed that my milk production had been decreased sometimes almost not even a drop.since delivery i had less milk only but now there is a sudden down fall.I feed him at 6 pm in the evening and manage with breast milk during the ngt.But now i couldn't feed him with milk.Due to this he couldn't sleep properly.How to increase my milk production??How many solid foods can i give him at this age??Due to lockdown we couldnt get fruits in our area.What to feed him??worried alot...sometimes he used to cry during ngt..plz suggest something to help me in increasing breast milk...I want him to be fed upto a year atleast...