INS and Hyperglycemia: In a study carried out in streptozotocin‐induced diabetic rats, it was proposed that the aqueous extract of seed of Tamarindus indica expressively caused diminution in hyperglycemia as demonstrated by decreased blood sugar, glycogen levels, and glucose‐6‐phosphatase enzyme activity in addition with continuous monitoring of serum insulin levels (Maiti, Das, & Ghosh, 2005).