Krishna takes care of all our necessities. He provides food to an insignificant ant and also to a huge elephant. But most often when we approach him we ask for several material things. We think that Krishna is not aware of our necessities. We consider Krishna to be our order supplier and demand several things from him - like good marks, high paying job, palatial bungalow, fancy car, beautiful spouse and so on.
Instead of asking something material we should pray to Krishna to give us intelligence

