I will give final examof diploma polytechnic in May2018,I want to take admission in 5year LLB in IP University Delhi.
Yes.
You are eligible as nly those students are not eligible who have passed 12th board examination through Open Universities system including NIOS directly without having any basic qualification.
For reference, you can go through the below link -
https://law.careers360.com/articles/ipucet-law-eligibility-criteria
Good Luck!!!!