help on career

hii friends…i am in very much trouble due to my past sins…i m 2012 passout, actully i have 10-75%, 12-55%, btech-civil-55% also i have 4 years of gap between 10th and 12th. i joined 1 construction company but realizes i cant do ths work and left…

hii friends..i am in very much trouble due to my past sins..i m 2012 passout, actully i have 10-75%, 12-55%, btech-civil-55% also i have 4 years of gap between 10th and 12th. i joined 1 construction company but realizes i cant do ths work and left it, now i started preparing for cat13. i need your suggestions about what i should do.can i get good college if i will score good in cat? can i sit for campus placement with my 4 yrs gaps in 10th and 12th?should i go for cat? it seems if i will not join construction again there will be full stop in my career..plzz help