When it comes to distance learning it is important that it gives both knowledge level and good faculty.  Based on this we can suggest the following:

Coursera – For Sustainable Development – www.coursera.org (http://www.coursera.org)

IFDT (International Forum on Diplomatic Training) – The have a MA Program and also Lancaster University also has a MA program – www.forum.diplomacy.edu (http://www.forum.diplomacy.edu)

Kofi Annan Int’l Peacekeeping Training Center (KAIPTC) has two training programs: Integrated Civilian/Military Coordination & Peacekeeping and Int’l Conflict Resolution. www.kaiptc.org (http://www.kaiptc.org)

For Corporate law we suggest IGNOU. – www.ignou.ac.in (http://www.ignou.ac.in) .  Also an option to consider is doing all your courses in IGNOU itself.

Please visit the stated sites to know more and apply accordingly.

Good Luck!