Background: Bruchid beetle (Callosobruchus chinensis) is one of the devastating field carry over storage pest causing a huge crop loss, especially in greengram. The pre-breeding lines were developed by crossing between cultivated variety, VBN (Gg) 2 and Vigna radiata var. sublobata, progenitor species greengram used as resistant parent against bruchid. Methods: A total 53 stabilized inter sub-s...