Group the following and tabulate them as energy yielding protein yielding oil yielding and fodder crop.
Wheat rice berseem maize gram oat pigeon gram sudan grass lentil soyabean groundnut castor and mustard.

Explanation

Energy yielding - wheat, rice, maize
Protein yielding - grain, pigeon, gram, lentil, soybean
Oil yielding - groundnut, castor, mustard, soybean
Fodder crops - barseem, oat, sudan grass.