As per your request below I am providing you the list of best and most popular correspondence MBA courses in India:

Symbiosis Centre for Distance Learning, Pune
Indira Gandhi National Open University, New Delhi
ICFAI Business School, Hyderabad
Institute of Management Technology, Ghaziabad
Sikkim Manipal University, Sikkim
Amity University, UP
Annamalai University, Tamilnadu
Alagappa University, Tamilnadu
Bharathidasan University - Centre for Distance Education
Maharshi Dayanand University, Rohtak
All India Management Association - New Delhi
IIM Ahmedabad
Indian Institute Of Management, Calcutta
Indian School of Business (ISB)

List of other online MBA colleges in the world:

Best Online MBA in Canada

Western Ontario (Ivey) – Canada
Queen’s University – Canada

Best Online MBA in Europe

IE Business School – Spain
Warwick Business School – UK
Aberdeen Business School, The Robert Gordon University – UK
Imperial College Business School – UK
Henley Business School – UK

Best Online MBA courses in USA

Kelley (Indiana) – USA
W. P. Carey (Arizona) – USA
Thunderbird School of Global Management – USA
Babson College: Olin – USA
University of North Carolina: Kenan-Flagler – USA