1. Course Content.
2. Trainer/Instructor experience.
3. Training Schedule
4. Job Assistance .
5. Value for money.
Although there are online institutes like Udemy that have a lot of courses on Azure they do not provide lifetime upgrade with support, Job Assistance. Based on these criteria i would suggest Microsoft Azure training from Intellipaat. They provide. 24*7 Life time Access & Support, Flexible Class Schedule, Job Assistance, Mentors with +14 years, Industry Oriented Course ware and Life time free Course Upgrade.