The present investigation was undertaken to study the variability, broad sense and narrow sense heritability, intergeneration correlation, correlation and regression in F3, F4, F5 and F6 generation during kharif 2012, summer 2013, kharif 2013 and summer 2014 respectively for growth parameters, traits related to WUE, yield and yield contributing characters. NRCG 12273 which has high SCMR, low SLA and high pod yield and ICG 12370 has low SCMR, high SLA and low pod yield were crossed to develop 153 F3, 140 F4, 128 F5 and 112 F6 superior segregants. Phenotypic co-efficient of variation (PCV) was higher than genotypic co-efficient of variation (GCV) for all the characters in all the four generations studied indicating the influence of environment on the characters. Higher GCV were found for pod yield per plant, kernel yield per plant, pods per plant, Specific Leaf Area, SCMR, plant height and days to first flowering in RILs of all the four generation indicating individual plant selection can be followed for these characters. High heritability coupled with high genetic advance was observed for pod yield per plant, kernel yield per plant, pods per plant, SCMR, SLA and plant height branches indicates involvement of additive gene action in controlling of these traits in superior segregants of all the four generations. Pods per plant, kernels per plant, kernel yield per plant, SCMR exhibited the positive correlation with positive effect on development of pod yield per plant in superior segregants of all the four generation suggesting pod yield per plant could be increased upon improving of these contributing characters. The study of intergeneration correlation among F3, F4, F5 and F6 generations noticed the presence of significant positive correlation between F4 to F5 and F5 to F6 for pods per plant, pod yield per plant, kernel yield per plant, kernels per plant, SCMR and SLA implies the these traits can be used as a selection criteria from F4 generation onwards. High broad sense coupled with high narrow sense heritability was observed for pods per plant, pod yield per plant, kernel yield per plant, SCMR and SLA in F6 RIL suggesting the alleles which are involved in expression of these traits are getting fix.

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