JAI SAI RAM,
Welcome to this online mandir of Sai Nath. Nitin this is ur first mail. You dont worry Nitin, if you are apologies for your activities n assure urself that it would not be happened again then Baba Sai will surely help you. If you are strong, Sai will make you stronger, if u r good, sai will make be best. leave rest the thing on Sai. He is there for you. Please dont hurt anyone knowingly, this is wrong and dont damage yourself in smoke and drinking.
May Baba Sai Bless you
Good Luck for your exams. Take care.
Jai Sai