Hi,
Here is the list of top Universities which provide distance learning course for bba -

IGNOU , New Delhi

Jamia milia islamia , New Delhi

Madras university distance education

Sikkim Manipal university - Directorate of distance education

Surest gyan vihar university

Annamalai university

ICFAI university

Jaipur national University

Amity university

Lovely Professional university

Hope it helps...