How can I pursue part time B.Tech after completing polytechnic?

You need to score a minimum of 60% marks in Diploma because most of the institutes offer admission on the basis of Diploma percentage: For college details, visit the link mentioned below: https://engineering.shiksha.com/distance-learning-engineering-in-delhi-ncr-categorypage-2-58-1-0-0-10223-1-2-0