Payatham are used in Hindi cooking. They are mung beans that have been dried and split. They are sometimes called Green Gram.
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Mung bean is known as "payatham paruppu" in Tamil.
Bengal Gram ( Kadalai paruppu ) Red Gram/Toor dhal (Tuavaram paruppu) Black Gram (Ulatham paruppu/Urad dhal) Green Gram (Payatham paruppu/Moong dhal)