I have scored less marks in my first drop for neet exam. I want to drop for next time but with that I want to take some back up plans.

You want to give neet. It means you prefer biology.So you can take BSc courses in subjects like-Zoology,Botany,Microbiology,Biotechnology. You can also do Physics and Chemistry honours. If you have given engineering entrance exams then you can also pursue that.Pharmacy may be a choice for you.You have to decide which branch you like the most.Accordingly make a choice as learning your preferred subject will be easy for you.All the best.