@Shubhankar khamaru Cause: Iron (Fe) deficiency – interveinal chlorosis, veins remain green while leaf turns yellow.Treatment:Spray Ferrous sulphate (FeSO₄) 2 g/L + Lime 1 g/LRepeat spray at 5–7 day interval 2–3 timesApply Micronutrient mix 1 g/LImprove soil condition, avoid high pH/alkaline soilEnsure proper irrigation and organic matter addition