I am a B.Tech computer science (detained) dropout. What should I do to pursue B.Tech through lateral entry and distance learning?

Distance learning is not a good idea. You should take admission in a college through lateral entry and continue your higher education.

There is no point of doing B.Tech through correspondence. This course requires a lot of lab work and project making which is possible only if you enroll in a regular college. Students who are doing B.Tech in regular mode are facing problems regarding their placements and in a situation like this you