Here are some of the Cloud Computing Specialization corses you can prefer.

List of cloud computing certifications:

BIG DATA FOUNDATION
CLOUD BUSINESS ASSOCIATE
CLOUD TECHNOLOGY ASSOCIATE
PROFESSIONAL CLOUD ADMINISTRATOR
PROFESSIONAL CLOUD DEVELOPER
PROFESSIONAL CLOUD SECURITY MANAGER
PROFESSIONAL CLOUD SERVICE MANAGER
PROFESSIONAL CLOUD SOLUTIONS ARCHITECT

Some institutes you can prefer for Cloud Computing given below:

SSDN Technology

Pdm College Of Diploma Engg. & Tech.

Sir Padampat Singhania University, Udaipur

Good Luck!