Gram belongs to family
Cicer arietinum, commonly known as chickpea, gram or Bengal gram is an annual legume belonging to family Fabaceae or Papilionaceae. The chickpea seeds are rich in protein. It is one of the earliest cultivated legumes and it is native to Middle East countries. It is used for human consumption and it is also used as animal fodder because it is rich in protein content. So, the correct answer is 'Papilionaceae'.