Dear Suraj Nayyar,
As per your details for your higher education i would recommend you to wear only ruby of 5 carat set in gold ring wear it on your right hand ring finger.After properly energized and in auspcious muhurtham as per your horoscope.
You are not suppose to wear emerald it will create health issues, mental imbalance and even it may create problem to pursue your MBA.
GOD BLESS!!!
Srinivasa Temkar