1. Engineering Mathematics 1 / 2 | Dr. K S Chandrashekhariah | Sudha Publication
2. Engineering Physics | Prof. Basavaraj | Subhas Publishers
3. Elements of Mechanical Engineering | Dr. K R Gopalkrishna | Subhas Publishers
4. Elements of Civil Engineering | S S Bhavikatti | New age Publishers
5. Basic Electrical Engineering | M V Rao | Subhas
This combo is most preferred by students.