An experiment was initiated at a farmers field at Manikpur area, Bongaigaon, Assam, India during 2020-21 and 2021-22 to resolve the problem of drop of fruitlets leading to low fruit retention in Thailand ber. The statistical design of the experiment was factorial randomized block design, where two types of variety, two pruning height and eight micronutrient combinations alongwith control were tested. In the investigation, spraying with micronutrient combinations of borax 0.5% together with ZnSo4 0.5% was proved to be the best in controlling fruit drop and increasing fruit retention in Thailand ber.