I pass out a 12 science at 51 percent what should I do

There are many options available to you. You can pursue BSc in biotechnology or in agriculture Nowadays both have scope or you can opt for General BSc and later on can MSc in the field of your interest. All the best for your future.

if you interested in psychology then chose Ba (Honours) psychology programme at TISS or Sam Higginbotom Institute Of Agriculture Technology and Sciences, SHIATS,allahabad, Uttar Pradesh and after prepare for TISS to more study and jobs opportunities

do BSc agricultural ..try to get govt college otherwise u should try private colleges ...it has bright scope nowadays

study bcom.... try 60% minimum... if possible join private clg...u get gd knowledge.... after completing bcom,join mba finance.

i think u should imprve ur percentage and if u think that it can ruin ur year then u r wrong it can save ur future and ur career

first improve your percentage or go for bsc or ba