Mr. Venkatesh, Store ur Bittergourd in Plastic Carat & stack it in ur nearest Cold Storage. Pls, don't use Polythene to wrap it as it will damage the outer skin of the Bittergourd, And regarding Shelflife? Do tell ur Farmers/Cultivators to use Bio-Potash, Bio-Silicone & Seaweed(PGR) to increase...