plz advice me how to prepare for pcc group 2.....

hii friends...i want to take advice from  people who have cleared in pcc both the groups...i want to tell everyone that i've cleared my pcc group 1 in 1st attempt but got failed in 2nd group..i have problem in f.m and i.t(information technology) subject as i am not good in these subjest..and for that reason i got failed in 2nd group again..and now i am gona appear again for 2nd group...so plz advice me how to prepare for these subjects......i am really getting frustrate for this reason....