Raju and his safes

Raju bought some books from the market and kept them into his group of safes in his room.Tomorrow is his exam and he wants to take out some books from the safes.but his mother who know the passwords of all the safes is not at home and she will come late at night. Raju has two options left either he should wait for his mother to come home or try to open a group of safes by using his conventional t