urgent:-6 months trainining

hi friends,i am doing B.Tech, i gotta go for training(6 months), i have 2 choices either i can go in 7th sem, from( june,2010-jan2011) or in 8th sem(jan 2011-to june 2011). please can anybody suggest me what will be more beneficial, either to go in 7th sem or 8th sem please help me, its urgent .😒😕😕