As far as there is no centre for Sikkim Manipal.
If you are looking for technical course IEI ,qatar.www.ieiqatar.org
Graduation option www.ignou.ac.in
And the certificate e which has value in technical fild at India & gulf

BITS , Dubai off campus course http://www.bits-pilani.ac.in/dlp-home/online/guidelines/html/dubai_centr...