Glycemic index of finger millet is reported to be high, almost equal to that of glucose. Given that is it recommended for diabetic patients?

Yes you can have finger millet Consumption of finger millet based diets resulted in significantly lower plasma glucose levels, mean peak rise, and area under the curve which might have been due to the higher fiber content of finger millet compared to rice and wheat. The lower glycemic response of whole finger millet based diets may also have been due to the presence of anti-nutritional factors in whole finger millet flour which are known to reduce starch digestibility and absorption.