• Saraswati is the deity of education. Recite this mantra for at least 21 times before starting your study as well as finishing your study everyday. Think of deity saraswati while reciting this mantra. This brings amazing results as it helps in concentration and retention and increase of memory with each day. The mantra is 

     "Om Aim Kleeng Saum Saraswatye Namaha"

Eat a bowl of curd before going for examination. After having curd, apply the tilak of curd on forehead, eat some jaggery and then leave.