The present study was carried out under ambient storage condition which is located at P. G. Laboratory, Department of Horticulture, B. A. College of Agriculture, Anand Agricultural University, Anand, Gujarat, India during the year rabi 2017 to investigate the “Effect of grading and post-harvest application of chemicals on quality and shelf life of custard apple (Annona squamosa L.) cv. Balanagar”. The experiment was laid out in Completely Randomized Design with Factorial concept having ten treatment combinations. | Effect of grading and post-harvest application of chemicals on bio-chemical parameters of custard apple Annona squamosa L. cv. Balanagar