Melia dubia commonly known as Malabar neem is a fast growing indigenous tree species. It is considered as a major wood in plywood and paper industries and the plant is put into various medicinal uses, preferred for use in packing cases, cigar planks etc. There are no identified genotypes of Melia, suitable for Kerala. This is one of the reasons which has made a dearth in the availability of good planting material. Hence, a study was conducted to determine the genetic diversity of the trees and select plus trees from the forests of Kerala. Fifteen locations spread over eighteen localities where the species is common were identified from secondary data and reconnaissance survey. In total 298 trees were selected from survey. The important quantitative and qualitative characters of the enumerated trees were determined. Based on baseline selection system, a regression analysis was done between the (DBH)2 x height and (crown width)2 x crown length separately for each location so that a minimum of one tree got selected from a locality to ensure diversity in selection. The study showed that variability existed for all the quantitative & qualitative characters and it was more within the localities when compared to between localities. In total 25 trees plus tree were selected.