Cn i give improvment xam in b.com ?

Rahul (investment banker) (120 Points)

08 October 2009  
Hi guys! I hv cleared my final yr of b.com.h frm delhi university dis yr n got an overall 57% .. I want to improve t so dat t cn go above 60% .. My que. S cn i reapear for my 1st or 2nd yr xam n improve my score ? Pls do reply .. Thanks ..