Hy Aspirant,

Engineering is a common yet one of the most prestigious stream . Because of it's diversity by having so many branches many universities and  colleges offer distance learning .Some of them are -

IGNOU

Annamalai University

Sikkim Manipal University

Yashwantrao Chavan Maharashtra Open University

Rajasthan Vidyapeeth University

Alagappa University

Birla Institute of Technology and Science

Chaudhary Devi Lal University

Devi Ahilya Vishwavidyalaya

EIILM University

IASE University

Jamia Millia Islamia

Lovely Professional University

Madurai Kamaraj University

Rajasthan Vidyapeeth

St. Peter's University

Symbiosis University

Tamilnadu Open University

University of Hyderabad

Yashwantrao Chavan Maharashtra

Hopes this helps.

All the best!