In the on season buy lemons and prepare sharbat. Sharbat can be sold at higher price and profit” can be earned. Cut and squeeze lemons to get their juice in porcelain container. Add 2 kg sugar in one litre of water and heat it so that whole of the sugar dissolves. Now sieve this sugar solution through a fine but clean mulmul cloth. On cooling add to it one litre of lemon juice and 4 gram of essence and 3.5 gram Potassium metabisulphite. Fill in bottles and seal the bottles using wax.